Solve the system of equations.

- 5x + 2y = 9

y = 7x

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What is the Perimeters of 7 ft., 5ft. And 4 ft.

What's is 20 + 123233

The price of a car was £12500 It was reduced to £11 625 workout the percentage redution

If winnie can walk 6 miles when she works out, how many feet is that

A cone is sliced such that the cross section is perpendicular to its base and the cross section intersects its vertex. What is the shape of the cross section? A. rectangle B. triangle C. trapezoid D. circle

Jed is baking shortbread for a bake sale. the recipe calls for 1 1/4 cups of flour and 1/2 stick of butter. How many cups of flour will Jed need if he uses 3 sticks of butter? show the math

The regression calculator shows the relationship between the hours Devin spent playing a video game, x, and the levels he achieved, y. Which number of hours can be used to make an extrapolation of the level he could achieve? 2 3 4 5

Prove that there exists a unique prime number of the form n2 - 1, where n is an integer that is greater than or equal to 2.

There are 70 high school students attending the annual Johnson High School junior and senior dance. Of the 70 students attending, 30 of the are girls, 24 of the students are seniors, and 6 of the girls are seniors.

What polynomial identity proves that 64 + 27 = 91?