Which graph represents the solution set for the system 6x + y > -3 and 2x + y ≤ 4? graph a: graph b: graph c: graph d:

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?