River C is 400 miles longer than River D. If the sum of their lengths is 5 comma 520 miles, what is the length of each river?

Melanie and Joseph are raising money for their class trip to the zoo. They each need $30 to pay for the trip and are selling boxes of cookies for $4 each to earn the money. Joseph has sold 5 boxes and Melanie has sold 3 boxes.

Cristina has completed. 4 of his test. The test has 40 questions total. if he completes 12 more how many more will he have left?

Degree 6, zeros 8,-7+i,-6-i,-2

A triangle has angles described as follows: the first angle is four more than seven times a number, another angle is four less than the first and the third angle is twice as large as the first. what are the sizes of each of the angles?

Is 51+68 equivalent to 17 (3+4) in distributive property

If you select 10 Sundays from the school year at random, is likely to have studied the most hours overall, and is likely to have studied the least hours overall. NextReset

If the factors of a polynomial are x-2 and x-5, what values of x make that polynomial 0? A. 1 and 2 B. - 2 and - 5 C. 2 and 5 D. Cannot be determined

A dog weighs 2 pounds more than a cat. 3 cats and 4 dogs together weigh 43 pounds. How much does a dog weigh? How much does a cat weigh?

Is y equals x to the third power + x equals - 3 then what does y equal

What is f and x in f (x) = 7