Which expression is equivalent to 7 (xy)

7x+y

7x-y

x (7y)

xy/7

Kayak is 12 3⁄5 feet long. Ava's kayak is 20 2⁄5 feet long. How much longer is Ava's kayak?

Branden and Pete each play running back. Branden carries the ball 75 times for 550 yards, and Pete has 42 carries for 380 yards. Who runs father per carry?

Which is greater 6.55 or 6.6

Difference is 4, quotient is2

24. A radioactive substance decays exponentially. A scientist begins with 110 milligrams of a radioactive substance. After 31 hours, 55 mg of the substance remains. How many milligrams will remain after 42 hours?

17=14 3/4 + 1/6 + missing number

The world record for the women's 3,000-m steeplechase is 9 min 1.59 s. Find the runner's speed in meters per second. Round answer to the nearest hundredths.

A rectangle has an area of 85 square cm. If the length is 2 more than 3 times its width, find the dimensions of the rectangle

If arrivals occur at a mean rate of 3.6 events per hour, the exponential probability of waiting more than 0.5 hour for the next arrival is:

A multiple number of 7 and divisible by 5 and greater than 55