Is the sum of a rational and irrational number rational or irrational?

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 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

18 * 5 * 10 * 9 * 7