a boy is older than his sister by 3 years five years ago, the ratio of their ages was 4 : 3 find his present.

10b minus 8 = negative 68

Joan walked 23 1/4 miles in a week. Her sister walked 69 3/4 miles during the same week. How many times farther did Joan's sister walk than Joan?

An arc length 3 feet is cut off by a central angle of pi/4 radians, find the area of the sector formed

An indoor water park has two

A farmer has a square lot that is 200 feet on each side. She has a very powerful sprinkler that sprays water in a circle she doesn't want to waste any water, so she'll set her sprinkler so that it doesn't spray any water outside of her lot.

What is the value of f (x) when x = 12 A. 20 B. 60 C. - 60 D. - 20

A construction company needs to remove 4 1 6 tons of dirt from a construction site. They can remove 8 9 tons of dirt each hour. What is the total number of hours it will take to remove the dirt

Kathy has ribbons that have lengths of 7 inches, 10 inches, and 12 inches. Explain how she can use these ribbons to measure a length of 15 inches.

In English, the pronouns you, he, she, we, me, they, and them are lowercased. Why do you think I is the only pronoun that is never lowercased? Check all of the answers you agree with.

Small cubes with edge lengths of 1/4 inch will be packed into the right rectangular prism with dimensions 4 1/2 inches, 5 inches, and 3 3/4 inches. how many small cubes are needed to fill the right rectangular prism?