Rob maintains an average monthly balance on his credit card of about $1500. His credit card company charges 21% annual interest, which it bills at 1.75% per month. How much is Rob spending on credit card interest per year? (a) $31.50 (b) $26.26 (c) $218.75 (d) $315.00

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

21

jk it's 20

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

you could deduce the conclusion directly using the facts pertaining to the specific situation.

hope this .