<span>
the speed of the car decreases from 4 mi/h to 2 mi/h in the first 3 second increases to 5 mi/h in the next 5 5 seconds,and then remains 5 mi/h for the last 10 seconds</span>
Plant B is
feet tall.
Step-by-step explanation:
Given,
Height of plant A = 
This is 4/5 of height of plant B.
Let,
x be the height of plant B.

Multiplying both sides by 

Plant B is
feet tall.
Keywords: fraction, height
Learn more about fractions at:
#LearnwithBrainly
The smaller number is 15 and larger number is 36.
Step-by-step explanation:
Let,
Smaller number = x
Larger number = y
According to given statement;
The sum of two numbers is 51.
x+y = 51 Eqn 1
Four times the smaller number is 24 more than the larger number.
4x = y+24
4x - 24 = y
y = 4x-24 Eqn 2
Putting value of y from Eqn 2 in Eqn 1

Dividing both sides by 5

Putting x=15 in Eqn 2

The smaller number is 15 and larger number is 36.
Keywords: linear equation, substitution
Learn more about linear equations at:
#LearnwithBrainly
I you use 1/6 of the bag for 1/2 a pound then you need to set up a proportion.
1/6 bag / 1 bag = 1/2 pound / x pounds Cross Multiply
(1/6)*x = 1/2 pounds * 1 bag Divide by 1/6
Remember: in a 4 level fraction, the denominator inverts and multiplies.
x =

3 pounds <<<<
answer
<h2>Question: Factor: 4x2 + 4x</h2>
Find the GCF.

Factor out the GCF.

Simplify each term in parentheses.

Hence, the answer is 4x(x + 1).
<h2 /><h2>Question: Expand: -(x - 3) </h2>
Remove parentheses.

Regroup terms.

Therefor, the answer is 3 - x.