A rectangular room must have a maximum area of 84 square feet. If the room is to be 8 feet wide, what is the longest the room can be?

10.4

10.5

10.6

X+3=0 how do I so excited this math equation

Express the equation in the form Y = mx+b by solving for Y. - 2x-y=10 A: y=-2x+10 B: y=2x+10 C: y = 2x-10 D: y = - 2x-10

Simplify the given rational expression by completing the step 5c^2-15c^3/20c^2d+25c^2 just answered it answer was last option

Daniel, my son, is exactly one fifth of my age. in 21 years time, i will be exactly twice his age. my wife is exactly seven times older than my daughter, jessica. in 8 years time, my wife will be three times older than jessica.

What's a number equivalent to 4 tens+3 + eight hundred thousand + 5000

Your brother traveled 117 mile in 2.25 hours to come home for school break. what is the average of speed that he was traveling?

A company's sales decreased by 8% this year, to $9015. What were their sales last year? (Round your answer to the nearest penny.) My answer was 9,736.2, but the correct answer was 9798.91. Could someone explain how did they get to 9798.91?

Cindy exercise for 30 minutes 2 times a day. if she keeps up this schedule for 30 days, how many minutes will she exercise in all

Is pie to the power of 2 greater than 9

Evaluate the expression -112/7+9