Solve the problem.The sum of the squares of two numbers is 202 and the difference of their squares is 40. Find the two numbers

A. 11 and 9; -11 and -9
B. 11 and 9
C. 11 and 9; 11 and -9; -11 and 9; -11 and -9
D. 11 and 9; 11 and -9

Answer: C

Mathematics

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Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = ; f '(-1)

A. f '(x) = ; f '(-1) = 8
B. f '(x) = 8; f '(-1) = 8
C. f '(x) = - 8x2; f '(-1) = - 8
D. f '(x) = - ; f '(-1) = -8

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Mathematics

Solve for x and y: x - 3y = 6; x - 2y = 3

a. x = -6 y = 0 b. x = -3 y = -3 c. x = 3 y = 3 d. x = 6 y = 0 e. x = -3 y = 6

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Mathematics

Solve the equation.  + 5 = 11

A. 8 B. -8, 4 C. 8, -4 D. No solution

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Mathematics

Find the first six terms of the sequence.a1 = 5, an = an-1 + 6

A. 0, 6, 12, 18, 24, 30 B. 11, 17, 23, 29, 35, 41 C. 5, 11, 17, 23, 29, 35 D. 5, 6, 12, 18, 24, 30

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Mathematics