Suppose y varies directly as x, and y = 16 when x = 8. Find y when x = 16.

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.

Solve for the equation. 4x - 13 = 2x + 9

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220