What statement best filling in the blank of this proof and completes the sentence: It is given that

There are white, blue, and red boats in a marina. Two-thirds of the boats in the marina are white, 4 7 of the remaining boats are blue, and the rest are red. If there are 15 red boats, how many boats are in the marina?

What is 2 1/4 x 3 2/5?

The (blank) is calculated by putting the data in order and selecting the middle value.

The sum of two numbers is 11. twice the greater number minus the lesser number is 7 what is the greater number

Gloria Trench checked her gas mileage and found that she had used 16.6 gal of gas to travel 372 mi. At this rate, how many gallons will she use to travel from San Francisco to Washington, D. C., a distance of 2,850?

Which scenario could be represented by the algebraic expression n/12?

Is 90 a composite number?

Red vases cost $4.20 and clear vases cost $5.70. If 25 vases cost $120 how many of each did i get?

Rapheal is enrolled as a foreign-exchange student. He is from Canada and is going to attend school in Texas. On average he can spend $82 USD each month for the 5 months he is visiting.

It took a skydiver 5 seconds to drop 400 feet. What is the rate (in feet per/second) of the skydiver's drop?