Kelly is six years younger than her sister for some of their age is 34 years how old is Kelly and how old is her sister?

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.