Find equations of the spheres with center (2,-3,6) that touch (a) the xy plane, (b) yz plane, (c) the xz plane.

Find the number of real number solutions for the equation. x^2+9x+20=0 A.) Can't be determined by graph B.) 1 C.) 2 D.) 0

4% of blank equals 56

What could be the last digit of the composite number?

Simpson has a rectangular fish aquarium that measures 31 inches long, 13 inches wide and is 28 inches deep. What is the maximum amount of water the aquarium can hold?

A shop owner bought some T-shirts and purses. Each T-shirt cost $8 and each purse cost $5 She bought a total of 28 T-shirts and purses. She spent $161 altogether. How many T-shirts did she buy? [3 marks]

How to calculate the percentage difference between two numbers?

Translate the verbal phrase into an algebraic expression. The sum of 3 and 5y multiplied by 17.

Lori is choosing a snack from a box containing 5 bags of pretzels, 4 bags of Trail Mix, and 9 bags of almonds. how many ways can Lori choose a snack? a) 180 b) 81 c) 18 d) 9

What is the numerical solution of the equation 7 times a number equals 3 less than 5 times that number

George is buying watermelons and pineapples to make fruit salad. He buys a apples at $4.49 each and c cucumbers at $5 each. What does the expression 4.49a + 5c represent?