9a-ab+5b
9(2)-(2)(7)+5(7)
18-14+35
39
Answer:
graph C
Step-by-step explanation:
Answer:
False. 2/3 is positive so therefore, it would be increasing, not decreasing.
Step-by-step explanation:
Usual distance michiko runs= d miles
Time=t
normal speed= r₀
speed today= r₁
According to the question,
r₀= d/t
r₁= d+9/t+70.
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