If these two trapezoids are similar, what is the measure of the missing angle?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5

Jim had 15 minutes to do 5 laps around his school what would his time be