Brooke solved the equation below:
6r = 72
6r – 6 = 72 – 6
r = 66
is brooke's solution correct? if the solution is incorrect, explain why it is incorrect and show the correct steps to solve the equation.

Which statements are true? see picture

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?