1 y=8x + 5 Linear or non-linear

2 y= -x + 5

3 y=0.75x - 2

4 y = -2x exponent 2 + 1

Thanks for the help with this stander mastery

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

What is the value of x when x + 7 = 21?