Answer:
I think first add the side 137+ 127 +118=382 / 382cm
Let oil change be x
91 / 7 = x / 11
(91 * 11) / 7 = x
13 * 11 = x
<span>143 = x Ans</span>
3x^-2 can be written
3/x^2 because x^-2 is = 1/x^2
Answer:
C = 16
Step-by-step explanation:
Substitute r = 8 into the equation for C, hence
C = 2r = 2 × 8 = 16