Which statement can be represented by the equation 18 ÷ m = 7.2?
A. A number, m, less than 18 is seven point two.
B. Eighteen decreased by a number, m, is seven point two.
C. A number, m, divided by 18 is seven point two.
D. Eighteen divided by a number, m, is seven point two.

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z