Aquantity m varies jointly with p and r. if m is 1, p is 2, and r is 4. what is the constant of variation?

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

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: