Simplify the expression. 3z + 4 + 5z minus 9

Question 13 of 451 pointwhich statement correctly describes the inverse of the following function? a. it is negative. b. it is a horizontal shift. c. it is not a function. d. it is a function. give an explanation as to why you chose that answer. (i think its either a or d.)

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.