Qual o valor do produto (-4x²y).(-3xy) ?
A) -7xy
B) -12x³y
C) 12x³y²
D) -12x³y²

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Use the graph of the sine function y=2sinθ shown below

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second