Answer: 3x^2 + 7x -15
I dunno if u want me to factor it tho
We can find the acceleration via

We have


Then by definition of average acceleration,

so that


We alternatively could have found the time without knowing the acceleration. Since acceleration is constant, the average velocity is

Then


Answer:
720ft²
Step-by-step explanation:
Wall 1&2 = lh = 15*10=150
Wall 3&4 = wh = 12*10=120
Ceiling = lw = 12*15=180
120+150+120+150+180=720ft²
Answer:
Hundreths 3 is in the hundreths
Step-by-step explanation:
Answer:
14
Step-by-step explanation:
19 - 5 = 14