How do i find the rigid motion/ what is the rigid motion and how do i give coordinate notation for 6& 8

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earn $75 in interest. how much interest will she earn during the following year?

Find the amplitude of a sinusoidal function that models this temperature variation