Which of the following represents a proportional function? A. the amount of money on a gift card, if the original amount is $200 and $50 is spent once a week for 4 weeks

B. the amount of money charged for a hotel room, if the cost is $86 per day

C. the amount of money that is charged for a cleaning service, if the cost is $25 per visit, plus $15 for each hour of work

D. the savings in a bank account, if $100 is initially deposited and $25 is deposited each week afterwards

i used to know how to do this in 7th but i forget easily

step-by-step explanation:

answer set (b) 0.5, 3/4 80% is in order from least to greatest.  

step-by-step explanation:

in order to compare rational numbers to each other, it is much easier if they are in the same form.   typically, the best form in which to evaluate rational numbers is in decimals.   in order to convert a percent to a decimal, you would divide the given percentage by 100.   you can also accomplish the conversion by moving the decimal point over two places to the left.   for example, the decimal value of 80% is 80/100, or 0.8.   in order to convert a fraction to a decimal, you need to divide the numerator by the denominator.   for example, 3/4 is 0.75.   so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.  

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.

the answer is two. hope this !