Given that y varies directly with x, what is the equation of direct variation if y is 3 when x is 7?

two airplanes leave an airport at the same time and travel in opposite directions. one plane travels 70km/h slower than the other. if the two planes are 5472 km apart after 3 hours what is the rate of each plane

Find the volume of the region bounded above by the paraboloid z equals 3 x squared plus 4 y squared and below by the square r: minus 2 less than or equals x less than or equals 2 comma negative 2 less than or equals y less than or equals 2.

Jose was going to sell all of his stamp collection to buy a video game. After selling half of them he changed his mind. He then by 16 more. How many did he start with if he now has 37?

An ice cream parlor sells 10 quarts of ice cream (i) in 1 hour (t). Write an equation in the form of i=rt that represents the relationship between the number of quarts of ice cream (i) and time (t), where r is the constant of proportionality.

What is the minimum width recommended for spiral stairs? A) 26" B) 28" C) 30" D) 32"

There were a total of 27 soccer games in the season the season is played for 3 months how many soccer games were played each month if each month has the same number of games

Where is the number 4 - 8 located on a horizontal number line? a. 4 units to the left of 4 b. 4 units to the right of 4 c. 8 units to the left of 4 d. 8 units to the right of 4

What is 12 out of 18 in lowest terms?

What is the value of 4x-7 when x=4?

Which is the better buy 18 cans of cat food for $15 or 12 cans for $9