Which of the following is equivalent to -3(x - 7y)? -3(x) - 7y -3x - 21y -3x + 21y 18xy

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Which is the graph of this function 3 square root of x plus one if

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