Paula solved the equation 7+x=10 so x= 10 and got 17, but she is not certain if she got the correct answer. how could you explain paula's mistake to her?guys i got a d in math

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

In the diagram of circle a what is m

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?