Find the arc of the semi circle when the diameter is 5

37

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

$650 per month plus utilities

step-by-step explanation:

just based on the info you gave, it would seem more cost effective to rent at $650 per month plus utilities.   if utilities are, in fact, $150 per month, your monthly living costs would be $800 as opposed to the other option of $825.

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99