Use a graphing calculator or spreadsheet software to solve 4x + y + z = 1 8x - 4y - 7z = 2 5y + 9z = 3 using matrices.

Write an equation for n times a only using addition

The cake store is having a 25% off sale on all of its cakes. If the cake you want regularly costs $9, how much would you save with the discount

Emma is 5 years older than 6 times Beth's age. If Emma is 29 years old what equation represents how to find Beth's age?

The function y = (0.3) x is graphed below. What is the range of the function

4960.80 total including 6%, how much was the sales tax?

is - 0.28764 rational or irrational and how do you figure that out?

Whats the nearest 100 to 469019

Xavier deposits $6 daily into an interest-bearing account to save for renovations to his bathroom. The account earns 4.57% which compounds annually. What is the present value of the investment if Xavier renovates his bathroom in five years

Given f (x) = - 5x + 1, what is f (-2) ? A. 11 B.-9 C. 1 D. 3/5

What is the nearest ten thousand for 13501