One times a number x, plus 2 times a number y, equals 9. negative one times x minus 3 times y equals -14. what are the numbers?

a. x = 7, y = 12

b. x = -1, y = 5

c. x = 5, y = 1

d. x = -11, y = 24

About 60% of the normal humanbeing's body weight is composed ofwater. how much of a 125 poundperson is water weight? f 72 pounds h 76 poundsg 75 pounds i 80 pounds

Which of the following shows the length of the third side, in inches, of the triangle below

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