Hey, I really need help on this! This work is really hard and I just need a little help to get this right. Thank you!

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

Meee i honestly dont know what this question talking about

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.