How do I solve this problem - 2^63 + 2^64

Kayla sold half of her comic books and then bought seven more. she now has 28. with how many did she begin

Jessica paid $17,176.53 in federal taxes as shown on her W-2. After completing her return, Jessica found that her tax is $18,237.35. Will Jessica get a refund or does she owe the federal government money?

On average, India produces about 855 movies per year. The United States makes about 762 movies. On average, how many fewer movies per year does the United States produce?

Tim's age, t, is not 21 years old

Sebuah tangi minyan yang berbentuk tabung mempunyai diameter 48 cm Dan ting guys 37 cm berapakah volume tangi tersebut?

A serving size for pineapple-orange punch is 1/2 cup. Liam needs to make 72 servings of punch. He will use 8 pints of pineapple juice. The rest is orange juice. How many pints of orange juice does he need to make the punch?

Which is a variable expression for the word phrase? the product of 3 and a number decreased by 7 a. 3n + 7 b. 7 - 3n c. 3n - 7 d. 7n - 3

Find the value of x and then classify the triangles by it's angles

What two numbers equal - 48 when you multiply them and when you add together equal 22

What expression that can be used to check the quotient of 646:3