What is the product of nine and four less than n is 20

10. 10x + 5y = 15 y=2x-3 Substitution method

Name the rational numbers from the list below - 9,0,8,4.19, square root of 7, square root of 4, 4 1/2, - 4/5, 1.1616616661

A line passes through (-1, 7) and (2, 10). Which answer is the equation of the line? A. - 3x+y=4-3x+y=4 B. - 3x+y=16-3x+y=16 C. - x+y=8-x+y=8 D. - x+y=12

3y2+3 (4y2-2) what is the Answer

If f (x) = - x^2+2x, find f (3) - 7

the jacksons, chens, and simms each went on vacation. the jackson drove 835 miles. the simms drove 947 miles and the chens drove 100 miles further than the jacksons which family drove the futhest on vacation?

2. Ike made the following long jumps: 12 feet, 14.5 feet, 16 feet, and 13.5 feet. What is the mean absolute! deviation of his four jumps? a. 5 ft c. 14 ft b. 4 ft d. 1.25 ft

7. Which method would be the most efficient to solve the system? y = 1/2x, 2x + 3y = 28 A) graphing B) substitution C) elimination D) distributive

Select all of the following that are quadratic equations. x2 - 2x = 4x + 1 x3 - 6x2 + 8 = 0 5x - 3 = 0 2x2 + 12x = 0 5x - 1 = 3x + 8 9x2 + 6x - 3 = 0

Ricky purchase Shoes for $159.95 and then exchanged them at a buy 1 get 1 half off sale. The shoes that he purchased on his return trip were $74.99 and $68.55. How much did he receive back from the store after his second transaction?