You solve a system of equations in which x represents the number of adult tickets sold and y represents the number of student tickets sold. can (-6,24) be the solution of the system? explain your reasoning.

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "

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?

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2