Is a triangle that has side lengths a=5, b=7, c=9 a right triangle?

Find the mean of the first 10 counting numbers (1 through 10)

Megan uses 2/3 cup of almonds to make 4 cups of trail mix. Using the same proportion, how many cups of almonds would Megan need to make 9 cups of trail mix

3200 2560, 2048, 1638.4 what is the common ratio. Express your answer as a decimal.

Which sets include only like terms? Choose all answers that are correct. A. (-3 abc, - 4.9ac, - 2b, - 1/8abc) B. ( - 1.24 jk, 17 jk, 9 jk, 4/5 jk) C. (7m, 213p, - 22p, 3m) D. (0.25x, 5x, - 13.2x, 1/3x)

Fred is 4 times as old as Nathan and is also 27 years older than Nathan. Let f be Fred's age and let n be Nathan's age.

The price, s, of a mountain bike at Speed Cycling is $290 less than twice the price, d, of the same bike at Downhill Racing. The difference in price between the bike at Speed Cycling and Downhill Racing is $304.

The car rental agency charges $150 per week plus a $.25 per mile to rent a car. How many miles can you travel in one week for $350

1) Circle the equation that is NOT an example of direct variation. A) y = 3 X+1 B) y = 16x C) y = 4x D) y=-9x

Solve the system of linear equations by elimination. 5x=4y+8 5x=4y+8 3y=3x-3

What is the remainder of 18,049 is divided by 14?