The data show yearly rainfall for a 9-year period in inches: 29, 24, 19, 21, 23, 27, 26, 29, 18

What is the MAD for this set of data in inches?
A. 3.3¯ inches
B. 9 inches
C. 24 inches
D. 29 inches

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Aphrase is shown read the phrase and give me the answer

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