An airplane is flying at an altitude of 31000 feet when it begins its descent for landing. if the runway is 104 miles away, at what angle does the airplane descend

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

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