Which expression is equivalent to 36q- 4r +12? a) 6(6q-4r+2) b) 9(4q-4r+12) c) 4(9q-r+3)

Combine like terms to make a simpler expression 3z+z

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?

X+y=-4 x-y=2 use elimination with adding and subtraction