2x + y + z when x= -2 and y=3 z=5

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs