which is the following expressions equivalent? 6(a + 2) 6a + 12 3(2a + 4 A. pnly expressions 1 and 2 are equivalent. b. Only expressions 1 and 3 are equivalent. C. only expressions 2 and 3 are equivalent. D. Expressions 1,2 and 3 are equivalent

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?