What is the distance between the points (-9, 22) and (4, 22) in the coordinate plane?
a.
14 units
b.
5 units
c.
13 units
d.
6.5 units

Witch represents the inverse of the function f(x)=1/4x-12

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g