What is the problem that give you the answer x^2 + 8x + 15

There is a blizzard, and Matt notices that the snow is falling at a constant rate. Two hours after the beginning of the snowstorm, there is a total of 9 inches of snow.

I have 200 cubes. the volume of each cube = 1/8. solve for the total volume of the 200 cubes! (Tell me how you got it!)

Angelo is riding in a hot air balloon. The balloon begins at 700 feet above the ground. It drops 200 feet, rises 500 feet, and then drops 100 feet. Write and evaluate an expression to find Angelo's position relative to the ground.

Simplest form - 5 1/5: 2/3

What is the vertex of the graph y = - 2x² + 8x + 9?

To choose a sample for a survey of seventh graders, the student council puts pieces of paper with the names of all the seventh graders in a bag and selects 20 names. Is it ransom sample or a biased sample. Explain.

The radius of a basketball is 4.7 inches what is the volume of the basketball round to the nearest ten

1) 3x^2 + 4x + 5x^2 - 5y 2) (4x - 2y) - (2x + 5y) 3) 3x^3 (4x^2) 4) 5 x cubed y to the fourth z all divided by 10 x y squared z cubed 5) (-8a^3b^4) ^2 6) (x + 6) (x - 6) 7) (2x - 7) ^2 8) (2x + 5) (3x - 7) 9) 5 x cubed y plus x y to the fourth plus

An election ballot asks voters to select four city commissioners from a group of sixteen candidates. In how many ways can this be done?

A high school baseball team averaged 800 fans for each of its seven home games. What is the order of magnitude of the total attendance? A. 4 B. 3 C. 2 D. 5