The answer would be D
multiply -2 and (-4m-8) to get 8m+16
then subtract -2m to get 6m+16
Jenny is incorrect in her calculation.
For every time that Jenny's brother washed dishes, Jenny washed dishes 4 times. This tells that the the times they washed dishes occur in the ratio 4 :1. If Jenny's brother washed dishes 8 times, Jenny has to have washed dishes
times. The way Jenny's is doing the calculation implies that his brother washed dishes
times. He calculation yields a wrong result.
Answer:
27 years
Step-by-step explanation:
21 × 2 = 42
42 - 15 = 27
Answer:
0.50
Step-by-step explanation:
Simply plug -2 in for <em>x </em>into the equation.
2(2^-2) = 0.50