What value in place of the question mark makes the polynomial below a perfect square trinomial?
X2 + + 12x + ?

An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?

Franklin neason earns $5,250 a month as a sales manager. what is his semimonthly salary? a.$10,500b.$5,250c.$2,365d.$2,625

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.