Awindow is being replaced with tinted glass. the plan below shows the design of the window. each unit length represents 1 foot. the glass costs $11 per square foot. how much will it cost to replace the glass? use 3.14 for π.

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?