18m3 + 2m2 - 1m
Step-by-step explanation:
5m3 + 3m2 - 2m (2) + 8m3 - 4m2 + 3m
10m3+ 6m2 - 4m + 8m3 - 4m2 + 3m
18m3+ 2m2 - 1m
2/3x + 7 = 29
step-by-step explanation:
two thirds = 2/3
plus a number = x
at least 29 = 29
there for you should get 2/3x + 7 = 29
i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.