This is an easy question! Help me! (7m+3)(2m-1)-2m(7m-1)

JK! You do not need to answer that! Free points!!!

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

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit