Answer:
2x+6y=-4
Step-by-step explanation:
(9x^2+8x)-(2x^2+3x)
9x^2+8x-2x^2-3x
7x^2+5x
◆ Area related to Circles ◆
Hey !!
Check the attachment.
Hope it helps you :)
We can compare by converting Johnny's reading time into the same unit of Jacky's, hours.
There are 60 minutes in an hour, so use this:

15 < 20, so Johnny read faster. This is 5 pages faster per hour than Jacky.