Determine which expression is equivalent to 6a + 21. (5 points) a 3(2a + 7) b 3(3a + 18) c 3(a + 7) d 3(3a + 7)

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Atriangle in the coordinates of (2,3), (-4,5) and (-2,4) it is translated 3 units down. what are it’s new coordinates

Find the dimensions of the circle. area = 64π in.² r= in.