Lucia tried to solve the system below. lucia’s work. what error did lucia make? when lucia solved for the value of x, she subtracted 2y from both sides. when lucia solved for the value of y, she treated –2y as 2y. when lucia solved for the value of x, she added 18 to both sides. when lucia solved for the value of x, she treated –2(–9) as 18 instead of –18.

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points