Tony is 21 years older than his sister Danielle. In 13 years he will be twice as old as Danielle. How old is each of them now?

Divide 75 birds into the ratio 8:5:2

How to write 5 exponent 1

What is the slope of y = - 40x - 3?

Which is longer, 2 feet or 28 inches?

A diagonal brace is to be placed in the wall of a room. The height of the wall is 7 ft, and the wall is 15 ft long. What is the exact length of the brace?

Two redwood trees are the same height. A third tree's height is x feet. The first tree is 50 feet more than three times the height of the third tree. The second tree is 100 feet taller than twice the height of the third tree.

Express 400 miles in 6 hours as a ratio

The owner of a video store has determined that the profits "P" of the store are approximately given by P (x) = - x^ (2) + 30x+76, where x is the number of videos rented daily.

Harold stores 10,656 pounds of grain for his 24 cattle. Each cow eats about 12 poinds of grain each day. How many days would the food supply last?

What is 91.80 divided by 4?