Solve the equation

a+3 = (2a+7) / r

after that take r=9

Two sides of a triangle measures 25 cm + 35 CM which of the following would be the measure of the third side

If the ratio of red objects to blue objects is 1:1. what is the fraction of red objects over total objects?

For every girl taking classes at the martial arts school there are 3 boys who are taking classes at the school. if there are 236 students taking classes, write and solve a proportion to predict the number of boys taking classes at school

Find the product of (-3x - 2) (4x + 1). What is the coefficient of x when the product is written in simplest form?

Solve for h. 12h - - 5h - - h + - 18h - - h = - 10

Solve: k^2+5k-6=0 using the quadratic formula

2 1/2 X 3 2/3 in simplest from

Enter the terms and the coefficients of the expression. -40+5p - 7z The terms are , and and - The coefficients are

What is the value of Fraction 1 over 2x3 + 3.4y when x = 3 and y = 4? 15.85 18.1 27.1 31.6

Subtract 4 ounces from 5 pounds. 3 lb., 12 oz. 5 lb., 6 oz. 4 lb. 12 oz. 3 lb., 8 oz.