A skydiver falls 180 feet in three seconds. How far does the
skydiver fall per second?

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.