Solve the system using an equivalent system. 3x - 5y = 9
(3x - y = -3
a. (-2, -3)
b. (2,3)
c. (3,-2)
d(3, 2)
Pls help

Asphere has a diameter of 10 in. what is the volume of the sphere?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5