Solve 2x2 + 3x - 7 = x2 + 5x + 39 for x.

A. x=-6 + or - the square root of 82

B. x=-6 + or - 2 with the square root of 17

C. x=1 + or - the square root of 33

D. x = 1 + or - the square root of 47

What is the solution of the system? Use the substitution method. {3x+2y=11 x-2=-4y a The only solution is (12, - 52). b The only solution is (4, - 12). c There is no solution. d There are an infinite number of solutions.

What is - 8 * p - 2 + 7 * p = - 9

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Express your answer in decimal form (3/5-1/2) / 1/2 + 1.6 x (0.3 + 0.42) = What

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A suit cost $95 Barry has a discount coupon for 10 %off and the city has 4.5%sales tax. what is the final cost of the suit?

2) Winston needs 80 signatures from students in his school before he can run for class president. He has 23 signatures already. He and two of his friends plan to get the remaining signatures during lunch.

Mr. Wilson wrote the function f (x) = 7x - 15 on the chalkboard. What is the value of this function for f (6) ?

Kelly has a ribbon that is 60 inches long. She cuts off 40% of the ribbon for an art project. while working on it, she decides she only needs 75% of the piece she cut off. How much ribbon does Kelly end up using in her project

How do I find the area of a circle and the radius is 4