How to solve 2v 14=20

Find the reference angle of 125°.

A class is made up of 12 boys and 13 girls. What fraction of the class is boys?

Find the area of the circle. Round your answer to the nearest hundredth 3 in. U area: about in?

Solve the following equation for x to find the total number of people who became members of a social networking site for a certain month: x = 0.8x + 72 How many people became members of the site that month? 112 288 360 432

What is the answer to 3x+4w+7x-2x

The mean weight of 8 girls is 55kg and the mean weight of a group of boys if 52kg. the mean weight of all the students is 53.2kg. how many boys are there?

Six times the sum of a number and four

Solve: The total cost (C) in dollars for building a house of x square feet is given by the function C (x) = 50,000 + 155x. If the total cost was $283,275.00, how many square feet was the house?

Simplify the algebraic expression. y2 + 11y - 6y + y2

Solve for m. 8m - - 6m + - 7 = 7