Answer:
x^3 + 4x^2 - 7x - 10
Step-by-step explanation:
To solve this we're going to use Polynomial multiplication, starting by multiplying (x-2)(x+1) = x^2 - 2x + x - 2 = x^2 - x - 2. Next, we will multiply (x^2 - x - 2)(x+ 5) = x^3 + 5x^2 -x^2 - 5x -2x -10 = x^3 + 4x^2 - 7x - 10.
Answer:
Sooo it can complete 120 laps in 1 hour.
Answer:b 1/2
Step-by-step explanation:
You need to make a proportion.
45 X
------ -----
100 480
45 x 408 is 21600 ÷ 100 is 216.
so ur answer is 216
hope that helps