8. 2x2 + 3x when x = 3

Which rational expression has a value of 0 when x = - 2? A. - X^2 - 4/3x+6 B. 2x^2-8/4x-8 C. 5x - 5/-3x^2+6 D. 2x - 4/x^2 - 4

Solve 9x + 5y + 3z = 4 6x + 2y + 4z = 2 -3x + 3y â€" 7z = 2 (-1, 2, 1) (1, - 1, 0) (4, 2, 2) (1, 2, - 5)

Collin is building a deck on the back of his house. He has enough lumber for the deck to be 144 square feet. The length should be 10 feet more than its width. What should the dimensions of the deck be?

Jackson middle school has 3 students in choir for every 1 student in band. If there are 42 students in band, how many students are in choir?

A cabinet has two sliding doors of different sizes. When the cabinet is fully closed, they overlap by two-fifths of the width of the smaller door.

What is the value of "c" in the quadratic equation 3x 2 + 5x + 7 = 0?

What is the estimated sum? round each number to the nearest hundred before adding. 521,370 26,839

You are planning a 420 mile trip. You will drive at a rate of 60 mph. After 2 hours of driving you stop for 15 minutes. After two more hours, you will stop for 30 minutes to eat. Two hours later, you will stop for 15 minutes again.

The results from spinning a spinner multiple times are given in the table below. Color Frequency blue 17 yellow 14 green 13 red 9 purple 17 What is the experimental probability of spinning purple? A 17/43 B 17/50 C 17/70 D 17/60

Does the graph represent a function? Why or why not? -10