Garrick's science class recycles old batteries at the treca recycling center. the center pays a fixed amount for each ounce of material. write a formula to garrick determine what their group will receive for their work. let: t = total they'll receive. n = ounces of material. a = amount the center pays per ounce.

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

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?