the mean height of 3 mango trees is 4.5m. The first tree is 3.75m tall and the second tree is 5.2m tall. What is the height of the third mango tree? explain your thinking

Charlie's eraser has a mass of 9 grams. How many milligrams is the eraser?

The area of the square above is 400. What is the value of t?

A 20 foot ladder is leaning against the side of a building. The bottom of the ladder is 4 feet from the wall. How many feet above the ground does the ladder touch the wall?

Mary wrote the number 2.3 x 103 in standard form. Which number did she write?

An architectural drawing lists the scale as 1/4" = 1'. If a bedroom measures / (6/frac34/) " by / (4/frac12/) " on the drawing, how large is the bedroom?

Suppose you are getting new inground pool at your house. The pool is going to be a rectangle that is 30 feet by 15 feet. The outside border of the deck around the pool will also be a rectangle, which is 44 feet by 28 feet.

There are 12 team members. They each ate 3 slices of pizza. Each pizza was cut into 8 slices. What fraction of the pizza did the team eat altogether?

Solve for v 12v = 18+6v

Maggie's brother is four years younger than twice her age the sum of their ages 11 how old is Maggie?

Kirsten invested $1000 in an account at an annual interest rate of 3%. She made no deposits or withdrawals on the account for 5 years. The interest was compounded annually. Find the balance in the account, to the nearest cent, at the end of 5 years.