11) (-2x) (-1 + 9x) - 4x (4 + 5x)

12) 3 (-5x - 3) + 4 (6 - 3x)

The length l of a rectangle is 4 inches greater than its width w. The area of the rectangle is 252 square inches. Using the method of completing the square, what are the length and width of the rectangle? Show your work.

Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 7 20 14 41 Female 3 4 19 26 Total 10 24 33 67 If one student is chosen at random, Find the probability that the student was male OR got an "A".

750/1000 in simplest form

At noon the minute and the hour hands overlap. In how man hours and minutes will it happen next?

Compute the area of a triangle with sides. 15 * 15 * 18

How do you solve 6x-2 (x-3)

Change 18 out of 20 to a percentage

Olivia is saving money for a vacation. She started her savings with $50 and is now saving the same amount each week. After 6 weeks, she has saved $140. How much money is Olivia saving each week?

At the beach 24% of people are on the boardwalk and 27% are on the sand of the rest are in the water what percentage of people are in the water

Which two lines are parallel: y=3x+2, y=3x+4, y+2x+4