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
sveta [45]
3 years ago
13

Find the product: (x+9)(x-9) a 18 b. -81 C. - 18 d. x-64

Mathematics
2 answers:
Lilit [14]3 years ago
5 0

Answer:

x^2 -81

Step-by-step explanation:

(x+9)(x-9)

FOIL

first x*x = x^2

outer -9x

inner 9x

last -9*9 = -81

Add them together

x^2 -9x+9x -81

Combine like terms

x^2 -81

olga nikolaevna [1]3 years ago
4 0

Answer: B

Step-by-step explanation:

Simply using (a-b)(a+b)=a^2-b^2.

Evaluate the power (9^2).

x^2 - 81

You might be interested in
Help me on this question please. Thx
lana [24]
The trapezoid was translated Right 6 ,down 5
3 0
3 years ago
Of the 1,400 students enrolled at a Middle School, 40% of students enrolled are in the 6th grade. How many students are enrolled
scZoUnD [109]

Answer:

560 students

Step-by-step explanation:

1400*.40=560 students in 6th grade

8 0
4 years ago
3x^2 - 12x ÷ x-4 what is this simplified
Andreyy89
<span>3<span>x^2</span></span>−<span>16 I think that's the answer. Hope that helps!</span>
8 0
3 years ago
Read 2 more answers
What does this quote mean to you<br> “An eye for an eye will make the whole world blind”
DiKsa [7]

uhm like, what did you see in the internet is the opposite in the reality

5 0
3 years ago
I need to find L. please help
Andre45 [30]

Answer: 12.04 ft

Step-by-step explanation:

l = h² + r²

9² + 8²

81 + 64 = 145

√145 = 12.04

I hope this helps you.

7 0
3 years ago
Other questions:
  • Five more than the product of a number and 4 is equal to 8
    12·1 answer
  • Which of the following expressions is equivalent to 3p^4
    14·1 answer
  • Which function is graphed?
    10·1 answer
  • Find the geometric mean of 125 and 5..
    11·2 answers
  • A triangular shaped stack of tin cans has 8 cans in the first row and 8 rows in all. In each successive row one can is removed.
    14·2 answers
  • Use the distributive property to expand the following expression (9m-6)7
    11·1 answer
  • Find the surface area of a square pyramid with a base length of 24 cm and a height of 16 cm. Explain how you solved the problem.
    12·1 answer
  • Help me... I did it again! I skipped the practice and study guides
    7·1 answer
  • #2000 is shared between faka and osareti in ratio 7:3 how much does each get​
    12·1 answer
  • India has a population density of 840 people per sq. mile. If we estimate the population of the US to be 300,000,000 and the tot
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!