A father is 3 times as old as his son. Fifteen years ago, the father was 9 times as old as his son was then. Find their present ages.

What is a true statement found in Billion-Dollar Weather and Climate Disasters

Evaluate the expression 2m + n for m = 10 and n = 8.

Diana is painting statues. She has 7/8 of a liter of paint remaining. Each statue requires 1/20 fraction of a liter of paint. How many statues can she paint?

Solve each equation. check your sloution. 7a=63

What is the r value of the following geometric sequence? 4, 7, 12.25, 21.4375.

A smaller number is 3 less than half a larger number. The larger number is 10 times 1 less than the smaller number. Let x represent the smaller number, and let y represent the larger number. Which equations can be used to model the situation?

You have 5 pieces of wood. What is the total length of the wood? 73cm, 1.6m, 2.87m, 325cm and 4.04m

10. The length of the hypotenuse of a 30°-60°-90° triangle is 16. What is the perimeter? 64+8 square root 3 24+8 square root 3 16+64 square root 3 8+24 square root 3

The regression equation you found for the water lilies is y = 3.915 (1.106) x. In terms of the water lily population change, the value 3.915 represents: The value 1.106 represents:

Super Turbo Mega Double Double Extra Credit: The Earth's total diameter is 12700 kilometers, with the solidified, ocean-covered crust that is at its thickest 35 kilometers wide.