What is the area of rectangle PQRS?

A.
20.25 square inches
B.
21.375 square inches
C.
27.00 square inches
D.
42.75 square inches

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?

What is the period of the sinusoidal function ?

The graph represents f(x)=[x]+3. what is f(-2.2)?