Elliot is 63 inch tall
Jackson is x inch tall
x + 9 = 63
x + 9 (-9) = 63 (-9)
x = 54
Jackson is 54 in. tall
hope this helps
Answer:
A
Step-by-step explanation:
65+80+35=180 All triangles add up to 180
Answer:
the answer is D (9)
Step-by-step explanation:
3(n-5)=12
3n-15=12
add 15 on both sides
3n=27
divide both sides by 3
n=9
Answer:
The truck travel must to have a constant speed of 
Step-by-step explanation:
we have

where
d expresses a car's distance in feet
t is the number of seconds
<em>Find the distance d for t=8 sec</em>

<em>Find the distance d for t=8.2 sec</em>

The total distance in this interval of 0.2 sec is

<em>Find the speed of the car</em>
Divide the total distance by the time

therefore
The truck travel must to have a constant speed of 