Sandy is 15 years older than Karen. The sum of Sandy's age and Karen's age is 69. How old is Sandy and Karen?

the area of a rectangle is 57 square units if the length is 2 times the width then find the dimension of the rectangle

Jim paddle from one shore of a lake three miles wide at 4 mph, and john paddles from the opposite shore at 5 mph. how long will they travel before they meet?

Find the product of - 5 and - 7. -2 -35 -12 35

Which expression is equivalent to 3z + 7z by the distributive property A. z (3+7) B. 37z C. 10z to the power of 2 D. (3 + 7) + (z + z)

Lisa made 6 sandwiches in 15 minutes. At that rate, how long will it take her to make 15 sandwiches ?

An antelope Can run at a speed at 61 mph. What is the speed in yards per second? Round to the nearest hundredth.

Which of the following would be the most effective means of controlling current water pollution of United States surface waters?

How do you write 151% as a fraction or mixed number in simplest form?

Sam and his two brothers want to fly to Boston. About how much will Sam and his brothers save buying the less expensive fare? Skies the limit airline $319 In the clouds airlines $405

The sum of two numbers is 65 and the difference is 13. what are the numbers?