14) 6.20
16) 9.1
I hope that helps cuz
You have to replace d woth 3 in formula
7d^2+10=7*(3)^2+10=7*9+10=63+10=73
d is the correct answer
Answer:

Step-by-step explanation:

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<em>hope this helps....</em>
Tony is 24 miles from the house.
Jake is 10 miles from the house.
They are 26 miles apart.
C. $122.10
20 first hour
20+0.1*20 = 22 second hour
22+0.1*22 = 24.2 third hour
24.2+0.1*24.2 = 26.62 fourth hour
26.62+0.1*26.62 = 29.282 fifth hour
Total=$122.10