Kathy used 15 ounces of chocolate in her cookies. cindy used 15% more chocolate in her cookies. how many ounces did cindy use? ( show steps)

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

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