Which expression is equivalent to 18+ r x r x r ? A) 18 + 2
B) 18 + 3r
C) 18 + 3r3
D) 18 + 73

Ineed someone to me answer my question i have to have this done and knocked out

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Of of at a : $6, $8, $7, $6, $5, $7, $5, $7, $6, $28, $30 is?ato .ato .ato .ato .