If I dropped a short heavy knife out of a airplane flying at an altitude of 18,000 ft, how long would it take to hit the ground

35q3+7q2-45q-9 factor this

D'Andre has decided that he needs to get more exercise, so he is building a running regimen for himself. He decides that, beginning on Sunday, he'll run 10 feet. On each subsequent day, he'll double the distance he ran the previous day.

What is the interquartile range of the data set? {18, 17, 10, 25, 20, 20, 30, 18, 18, 30, 25}

danielle, her husband and son go out to dinner. the subtotal (before tax) is $53.40. if sales tak is 6.5% and they want to leave a 20% tip, how much money will they end up paying their waitress?

2. The number of students in a classroom is 6 more than 4 times the number of teachers. There are 15 teachers. How many students are there?

Chris's wages vary directly as the time she works. if her wages for 20 hours are $150, what are her wages for 38 hours?

Is negative 27 deeper than negative 37 explain

An object at a temperature of 35 °F was put in an industrial freezer. The temperature of the object changed by y °F. The temperature of the object is now less than - 5 °F.

Whats the value negative 2 minus 3

Nilda has 15 stamps. one-fifth of the stamps are stamps of outer space. how many stamps of outer space does Nilda have?