Prove the following: For any integer x, (x^2 - 1) = 8k where k is a specific integer.

Justin is 2 years older than one-third Marissa's age Amy is 4 years older than two times Justin's age then find Justin's age and Amy's age of course it is 63 years old

Whats 9 * 9 equal to?

Which ordered pair comes from the table? X Y 2 1 3 4 4 4 5 2 A. (1,2) B. (4,3) C. (2,1) D. (2,5)

4X-3y=0 find the slope

What is the value of x in the equation - 6x = 5x+22? 0-22 0-2 O 2 O 22

Suppose you were a carpenter. Give the lenght, width, and height of a storage cabinet with a volume of 72 cubic feet that you would build. Explain your choice.

Jade is making a square birthday card and she's going to put a ribbon borders on each of the 4 equal sides piece of ribbon that is 33 inches long do you have all of the ribbon how many inches of ribbon conget put on all equals side

Suppose that textbook weights are normally distributed. You measure 28 textbooks' weights, and find they have a mean weight of 76 ounces. Assume the population standard deviation is 12.3 ounces.

ABC Bookstore rents a storage space that is 75 ft x 50 ft and 15 ft high. It is charged $2.50 per square foot. How much does ABC Bookstore spend on storage space? O A. $140,625 O B. $9375 O C. $2500 O D. $3750

31/9 as a mixed number