Answer:
Step-by-step explanation:
Rate of change= slope/gradient (Constant of proportionality, slope, unit rate)
You have to find the average of 38 and 42 (witch is 40) and then set it to a ratio of 40:100 multiply both sides by 8.5 and we get 340
Answer 1: C. m + 7 less than or equal to 40
answer 2: C. 12 + 9h = 57
Answer:
b
Step-by-step explanation:
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