Flying against the wind, an airplane travels 4300 kilometers in 5 hours. Flying with the wind, the same plane travels 12,240 kilometers in 9 hours. What is the rate of the plane in still air and what is the rate of the wind?

What is the equation of this line? y = - 12x-2 y = - 2x-2 y = 12x-2 y = 2x-2

The gardener is going to cover the path with sand. If one bag of sand can cover 5yd^2, how many bags must be a whole number.

Find the positive square root of 7+4sq. rt3

A shipping company charges a cost per pound plus a fixed fee to ship a package. The total cost, in dollars, of shipping x pounds is modeled by the function shown. f (x) = 4.99x+5.

The least common multiple of 15 and 20 is k. What is the least common multiple of 12 and k?

A family went to six Flags and bought two adult tickets and five child tickets and paid $160. A second family bought two adult tickets and eight child tickets and paid $220. How much is each adult ticket and each child ticket?

On December 1, there were 52 more tickets to the Spring Fling unsold than sold. At that time, the sold tickets represented 30% of the total tickets available.

Complete the square x^2+7x+11=0

A college student is interested in testing whether business majors or liberal arts majors are better at trivia. the student gives a trivia quiz to a random sample of 30 business majors and finds the sample's average score is 86.

A new board game comes with a deck of 20 cards: 5 red, 3 blue, 2 orange, and 10 green. After the deck is shuffled, the player is to choose the top card and note its color, replace the card, shuffle the deck again, and then choose the top card again