A person in a balloon which is 2,000 feet above the airport finds that the angle of depression to a ship out at sea is 21°. Find the horizontal distance between the balloon and the ship.

3 (n - 1) + 2 (n + 2)

One angle of a parallelogram measures 40 what are the measures of the other 3 sides

What is the constant of proportionality for the equation? y = 1.5x

solve by factoring. the square of a number decreased by 3 times the number is 54. find the quadratic equation and all possible values for the number.

Justify each step of the solution by stating the property that was used to get to each step. Given: 2 (10 - 13x) + 9x = - 34 + 60 Step 1: 20 - 26x + 9x = - 34x + 60 Step 2: - 17x = - 34x + 40 Step 3: 17x = 40 Step 4: x = 40/17

What is 7/4 minus 4/6 What is 3/10 minus 1/5 What is 5/4 minus 5/12

Mr. Yen gave each teacher a box of candy with 12 pieces of chocolate in each. If there are 45 teachers, how many chocolates does he need to purchase?

Deshaun made $253 for 11 hours of work. At the same rate, how much would he make for 8 hours of work?

A school accepts 4/5 of its applicants. What percent of the applicants does the school accept

A deep-sea diver dived off a boat to a depth of - 45 feet. What is the absolute value that expresses the distance the diver went?