Which of the following statements is true?

Z4=289 there should be 4 answers total 2 whole numbers and either 2square root or imaginary number answers

Question 7 of 47 1 point what is the equation of a line with a slope of 1/2 that passes through the point, (-2,5)? o a. 1/2x+3 o b. y=1/2x+5 o c. y=x+5 o d. y=1/2x+6

Solve the system of equations. y= 2x y= x^2 - 15