Find the perimeter of a square that is 3 3/4 inches on a side.

a. 7 1/2 inches
b. 15 inches
c. 12 3/4 inches
d. 30 inches

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

X-intercept=-5 y-intercept=2 the equation of the line is

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not