What is probability of randomly selecting a marble and getting black or red? a bag contains 5 black marbles, 10 red marbles, and 20 blue marbles?

Considering the graph of a line with a negative slope, which of the following could be true? Check all that apply A. The line goes up from left to right. B.

Solve: square root of 170 - square root of 120

Find y if 1030404 (3y+36) = 1030403 (3y+36).

5. Which one of the following statements expresses a true proportion? A. 54:9 = 6:3 B. 7:9 = 8:9 C. 3:4 = 9:12 D. 2:1 = 1:2

What proportion of a normal distribution is located between the mean and z = 1.40? ?

10. An unprincipled used-car dealer sells cars to unsuspecting buyers, even though the dealer knows that the car will have a major breakdown within the next 6 months. The dealer provides a warranty of 45 days on all cars sold.

At Jakes laundromat 6 of the washers must be replaced these washers represent 1/4 of the total number of washers if W represents the total number of washers which equation could be used to determine the value of w?

john has 3 red shirts, 4 blue shirts and 2 yellow shirts. what is the ratio of yellow shirts to blue shirts

20*2+1+3/9=7 Need to add grouping symbols to make it true

Given f (x) = 2x² + 8x - 4 and g (x) = - 5x + 6, find (f - g) (x) or f (x) - g (x) A. 7x² + 8x - 10 B. 2x² + 13x - 10 C. 2x² + 3x + 2 D. 2x² - 6x + 10