John, twelve years old, is three times as old as his brother. how old will john be when he is twice as old as his brother

Simplify and create an equivalent expression. 4 (-15-3p) - 4 (-p+5)

How to solve this inequality 7x-30<19

If you charge $500 on a credit card today, how much will the balance be in two years (assuming no additional fees) if the credit card has a 10% APR that is compounded - a. once a year? b. once a month? c. once a week?

Which statement best describes a quadrilateral? A. a four-sided polygon B. a four-sided regular polygon C. a five-sided polygon D. a five-sided regular polygon

Explain one way to verify that the corresponding angles of the two triangles are congruent

X=3 y = 5x - 8 in alias

What is 3498 divided by 7. Explain how you got this answer and why you think its reasonable

What is the answer to these 9 + 9n = 9

Solve each problem. Determine which choice (or choices) best represent the equation: 10 is 5 times as many as 2 (A) 5 + 5 = 10 B. 5 * 5 = 10 C. 5 x 2 = 10 D. 10 = 2 x 5

Evaluate the expression for x = 4 1/3 9x + 4 A) 39 B) 40 C) 43 D) 52