Triangle ABC is similar to triangle WYZ. Select all angles whose cosine equals 3/5
Angle Y

Angle A

Angle B

Angle C

Angle W

Angle Z

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?