The cost of an iPhone is $899.99 plus 8.5% tax. What is the cost of tax for the iPhone?

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

it is not that hard all u have to do is plot the graph

step-by-step explanation:

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute:

answer: can you show the options ?

step-by-step explanation: