Mr. Wayne has a 3-year contract for his cell phone service. He pays $124.65 each month to cover everyone in his family. His employer reimburses him $45.95 each month because he uses his cell phone for work. How much will the family’s cell phone service cost over the 3-year period?

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step-by-step explanation:

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

-2x-4

step-by-step explanation:

the answer is b.

64

step-by-step explanation:

c=2πr=2·π·8≈64