Use the substitution method to solve the system.  x - 5y = 7-7x - 6y = -8

A. (-2, 0)
B. (1, 0)
C. (2, -1)
D. No solution


Answer: C

Mathematics

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Using Green's Theorem, find the outward flux of F across the closed curve C.F = (6x + 2y)i + (5x - 4y)j; C is the region bounded above by y = -5x2 + 144 and below by  in the first quadrant

A. 768 B. - 3948 C. - 1128 D. -1144

Mathematics

Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 6 - 2 -  

A. 17x
B. 3x
C. 4x
D. 18x

Mathematics

Find an exponential model for the following data set. Round your answer to two decimal places.  t 0 2 4 6 y 27.04 19.08 13.46 9.50?

A. ?
B. ?
C. ?
D.

Mathematics

Determine all critical points for the function.f(x) = 

A. x = 0 and x = -4 B. x = 8 and x = 0 C. x = 4 D. x = -4

Mathematics