The sister is as old as the brother will be when the sister is twice as old as the brother was when the sister' age was half the sum of their present age

Find the first four (4) terms of the sequence if An = (4) an-1 and a1 = 1/2.

Solve the linear equation for y. - 5x+y=7

Why does it take 3 copies of 1/6 to show the same amount as 1 copy of 1/2m

A health club charges a $50 initial fee, plus $2 for each visit. Marsha has spent a total of $144 at the health club this year. Write and solve an equation to find how many visits she has made.

Is 16 ponds greater than 16 oz

Use the working backwards method to find the solution of the equation. 4y - 1 = 7

What is the sale price of $59 with a 10% discount?

Could 1 2. 2 cm, 6. 0 cm, 12.2 cm, 6.0 cm, and 4. 2 cm 4.2 cm be the side lengths of a triangle?

What percent of 18 is 4?

Which pair of complex factors results in a real-number product? a. 15 (-15i) b. 3i (1-3i) c. (8 + 20i) (-8 - 20i) d. (4+7i) (4-7i)