Which statement about +- 3 - 7 = 3 is true? X=-4 is an extraneous solution.
X X=-4 is a true solution.
x = 4 is an extraneous solution
x = 4 is a true solution.
Answer is in the picturee

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours

What is the total surface area of the square pyramid