Cylinder A has radius r and height h as shown in the diagram. Cylinder B has radius 2r and height 2h. How many times greater is the surface area of Cylinder B than the surface area of Cylinder A?

Customers of a phone company can choose between two service plans for long distance calls

Factor each expression 45x + 63y

Substitution 4x-2y=10 y=2x-5

How many possible results are there when rolling 1 Die?

Solve for x. 3x - 1 = 20 - 7 - 19/3 19/3 7

A triangle has angles that measure 49° and 84°. What is the measure of the third angle? A. 35° B. 47° C. 131° D. 133°

Maria Works in a florist shop in makes flower arrangement she puts 10 flowers in each vase and 2/10 of the flower are daisies last weekend Maria used 10 daisies to make flower arrangements how many flowers other than daisies did she use to make the

Simplify the expression. 3n - 5 + 2n + 4

How much more is 3/8 gallon than 1/4?

What is half of 90?