1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
patriot [66]
2 years ago
11

3. Find the products.a) (a? + 4) (a? – 4)​

Mathematics
1 answer:
Stolb23 [73]2 years ago
7 0

Answer:

a^2-16

Step-by-step explanation:

you just a.a+a.-4+4.a+4.-4=a^2-16

You might be interested in
A machine covers 5/8 square foot in 1/4 hour. what is the unit rate?
Ilia_Sergeevich [38]

we know that

<u>Unit Rate</u> is the ratio of two measurements in which the second term is one

so

to find the unit rate divide (5/8) by (1/4)

Unit\ rate=\frac{(5/8)}{(1/4)}= \frac{5}{8}*4= \frac{2.5}{1} =2.5 \frac{ft^{2}}{hour}

therefore

<u>the answer is</u>

The unit rate is 2.5 \frac{ft^{2}}{hour}

4 0
3 years ago
PLEASEEE HELP ASAPPPP . When solving using Elimination:
Komok [63]
Y because if you add them you will get 10x =-10
The y will be eliminated because you have positive 3 -4
6 0
3 years ago
Triangles are congruent if they have the same ______________.
slava [35]
Triangles are congruent if they have the same (Shape and Size).
5 0
3 years ago
Read 2 more answers
Whats is the sum (2/5x + 5/8) + (1/5x - 1/4)?
Leviafan [203]
<span>Whats is the sum (2/5x + 5/8) + (1/5x - 1/4)?
A.3/5x + 1/8
B.3/5x + 3/8
C.3/5x + 5/8
D.3/5x + 7/8

The answer is </span><span>B.)   3/5x + 3/8</span>
5 0
3 years ago
Determine the down payment for this vehicle: $23, 400.00 sports car at 18% down​
SCORPION-xisa [38]

Answer:

  $4212

Step-by-step explanation:

18% of $23,400 is ...

  18/100 · $23,400 = $4212

8 0
3 years ago
Read 2 more answers
Other questions:
  • Mr. Phillip's investment account lost $50, and gained $200 and then lost $400 . What was the total change in the amount of money
    8·2 answers
  • . On a week-day paper route, Jennifer delivers the following number of papers in one week. What is the median number of papers t
    13·1 answer
  • Please help me!!
    5·1 answer
  • Complete the Steps to Solve for x.<br><br> -0.57x+0.27x =8.1
    15·2 answers
  • Simplify the following expression.<br> 5 [13 + 10 = (3 + 2)] + 9 x 2
    12·1 answer
  • Mathilda adds up all the natural numbers from 1 to 10 and obtains a sum of S. Then she adds up 3 odd numbers between 1 and 10 an
    15·2 answers
  • What is the volume of a hemisphere with a radius of 3.8in, rounded to the nearest tenth of a cubic inch
    13·1 answer
  • On a coordinate plane, if you take a point from (2, -5) and move it up 3 units to point "A" what is the distance of point a to c
    8·2 answers
  • After the booster club sold 40 hotdogs at a football game, it had $90 In protit.
    10·1 answer
  • yeah Koke prepaid debit card with $20 on it for her first purchase with the car she bought some Paul Ruben how to craft store th
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!