Find the period, range, and amplitude of the cosine function y= 3/2 cos t/2

Match each inequality to the number line that represents its solution

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)