What is 3x + 7 = 4x?

If Mary and Bob share £60 in the ratio 5:7. Work out how much each person gets. Show working out ...

Mike had $12. He bought a book for $4 and a record for $5. How much did he spend?

Express 125 = 5x as a logarithmic equation.

In a 10x10 grid that represents 800 one square represents

Find angle GJI a) 15 b) 75 c) 100 d) 105

Simplify by combining like terms - 5x-13+7y+26x

A set of middle school student heights are normally distributed with a mean of 150 centimeters and a standard deviation of 20 centimeters. Uma is a middle school student with a height of 165 centimeters.

A parking garage has 6 levels. Each level has 15 rows. Each row has the same number as parking spaces. There are 2,250 parking spaces in all. How many parking spaces are in each row?

When a photo is reduced or enlarged its length to width radio usually remains the same. Aurelia wants to enlarge a 4-inch by 6-inch photo so that it has a wider of 15 inches. Use a ratio table to determine the new length of the photo.

An architect is designing a building on a triangular plot of land. If the base of the triangle is 100.8 feet and the height is 96.3 feet, find the available floor area of the building. Show all of your work