A sequence of transformations which moves ΔRST onto ΔUVW shows that ΔRST ≅ ΔUVW. Which part of the triangles are congruent by CPCTC?
A) ∠U ≅ ∠T
B) ∠V ≅ ∠R
C) ∠T ≅ ∠W
D) ∠W ≅ ∠S

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?