John is moving up to the attic and wants to paint one wall blue. The wall is a triangle with a base of 21 feet and a height of 8 feet. What is the area of the wall to be painted? A. 42 ft2
B. 62 ft2
C. 29 ft2
D. 84 ft2

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?