Factor the following polynomial by grouping.

ab+10a+2b+20

TO Revenue in dollars 8 12 16 20 24 28 Number of books sold

If a cube of metal measures 3 cm on each side and has a mass of 216 g what is the density of the metal

Complete the statements by choosing the correct answer from the drop-down menu.

Write an equation of a parabola in vertex form. Vertex (2,-3) and passes through (0,5)

The product of two positive numbers is 1,800. One number is twice the other number. The equation to determine the two numbers, with x representing the value of the lesser number, is x (2x) = 1,800. What is the value of the lesser number? 24 30 48 60

If 3/8 of figure is shaded, what is 23 of 38?

Woody's Cafe Real Estate tax of $1,110.85 was due on November 1, 2010. Due to financial problems, Woody was unable to pay his cafe real estate tax bill until January 15, 2011. The penalty for late payment is 8.25% ordinary interest.

You jog 2 kilometers in 12 minutes. At this rate, how long will it take you to complete a 5 kilometer race?

Does anyone understand how to do substitution?

Gabriella bought 12 feet of ribbion for 0.75 per yard. how much did she pay?