Write an algebraic expression to represent Bob's age if he is two years younger than double the age of his brother who is X years old.

1/2x + 7/12 + 3/5x - 2/3

Fred's frog jumped 7 times as far as Al's frog. The two frogs jumped a total of 56 inches. How far did Fred's frog jump?

Find the sum of the measures of the interior angles of a polygon with 12 sides

A company manufactures ball bearings for precision machines. The average diameter of a certain type of ball bearing should be 6.0 mm. To check that the average diameter is correct, the company formulates a statistical test. a.

For all values of x. which expression is equivalent to (3x + 2) + 2 (3x + 2)

What is this 4x + 6 = 10

What is the difference? Express your answer in lowest terms. - 1/10 - (-8/10)

A and b are positive integers. Find 2a+3b if a^2b^3=108

What is the greatest common factor of 4k, 18k4, and 12?

How do you subtract mixed fractions such as 3 4/3 - 4 4/5