The expression is 7r^2, so when r=3:
7(3)^2 = 7(9) = 63
Therefore, the expression evaluates to 63.
Evaluate the expression if r=3
7r^{2}
42
36
16
63
1 answer
7r^{2}
42
36
16
63
1 answer
3 answers
2 answers
7 answers
8 answers