What is x, y and z? show your work

x - y + 9z = - 27

2x - 4y - z = - 1

3x + 6y - 3z = 27

Find each product mentally. 9 x 44

How do I solve - 1/2-4x=8

What is 11/20 as an decimal

Which expression represents the phrase "one third the sum of 12 and a number"? A.) 1/3+12+x B.) 1/3 (12+x) C.) 1/3x+12 D.) 1/3 (12) + x

What is 40/90 simplified?

Select the best possible first step to solving the system by first eliminating the x variable. 4x + 9y = 21 3x - 8y = 1 A. Multiply the first equation by 3, and multiply the second equation by 4. B.

What would be equivalent to 32 ⋅ 35?

What is 4,357 divided by 8?

What's the relationship between risk and return? A. a higher risk often means higher return. B. a higher risk often means a lower return. C. a lower risk will always mean a lower return

Use the function f (x) = x^2-8 find the inverse of f (x)