Combine as indicated
-450-354

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Divide. write in the simplest form. 4 1/6 divided by 10

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of