A 25 -foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 18 feet from the base of the building. How high up the wall does the ladder reach?

2. Original price is 60; new price is $45. 4. Original number of acres is 32; new number of acres is 16.

Roberto has been studying a type of bacteria that doubles every month. Originally, there were 3 bacterial cells. He wants to know how many there will be after 43 months. Which equation should he use?

Which expressions are equivalent to 12 r - - - 5?

Eight times the sum of 11 and a number is 123. Which equation can be used to find the unknown number?

Six treasure chests were found on a sunken pirate ship. In the first four chests, among other things, there were 60, 30, 20 and 15 gold coins.

A company rents vans for a rental fee of $18.00 per day with an additional charge of $0.45 per miles that a can is driven. Write an equation the represents the cost (c) of renting a van for one day and driving (m) miles.

How do you factor out the trinomial: 6x²+14x+4

What will be the shape of the model for 10000

Expand the expression In (2x^3/5y)

Dr. Casey has a cylindrical beaker he fills with about 113 cubic inches of hydrochloric acid. The hydrochloric avid has a height of 4 inches in the beaker. To the nearest inch, what is the diameter of the hydrochloric acid in Casey's container?