In seven years, Huang will be two times as old as he was last year. How old is he now?

A solid is formed by adjoining two hemispheres to the ends of a circular cylinder. the radius of the hemispheres is the same as the radius of the cylinder. the total volume of the solid is 16 cubic inches.

If 1 gallon of paint covers 450 sq ft how many gallons are needed to paint a room with 675 sq ft of wall surface

Parallel lines r and s are cut by two transversals, parallel lines t and u. Lines r and s are crossed by lines t and u to form 16 angles.

What 2 numbers multiply to get - 120 and add to get - 14

Solve ln (3x - 6) = 4. Round to the nearest thousandth. A. 56.598 B. 48.598 C. 20.199 D. 16.199

What is y=2x+1 and y=-1/2x+6? The 1/2 is a half ... just saying so you don't confuse it with division!

Forty-threeless then the twice a number, n

If h=11 units and r = 2 units then what is the approximate volume of the cone

What's the difference between linear and non linear functions

32 mystery books and 56 biography books, each shelf has the same number of books on them, how many books go on each shelf and how many shelves for each type of book