Solve the system by graphing. If there is no solution or infinitely many solutions, so state. 2x + y = 118x + 4y = 44
A. No solution
B. (5, 1)
C. Infinitely many solutions
D. (0, 11)
Answer: C
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Graph.f(x) = log1/8 x
A. 
B. 
C. 
D. 
Solve the problem.A camera costs $380. If the sales tax rate is 7%, how much tax is charged and what is the total price? Round your answers to the nearest cent.
A. $266.00, $646.00 B. $26.60, $406.60 C. $22.80, $402.80 D. $30.40, $410.40
Solve.5x2 - 5y2 = 45 4x2 + y2 = 36
A. (-3, -6
), (-3, 6
), (3, -6
), (3, 6
)
B. (-3, 0), (3, 0)
C. (0, -3), (0, 3)
D. (-3, 6
), (3, 6
)
Solve the problem.Insulation must be put into the space between two concentric cylinders. Write a completely factored polynomial whose values give the volume between the inner and outer cylinder if the inner cylinder has radius 7 meters the outer cylinder has radius x meters, and both cylinders are 11 meters high.
A. 18 ?(x - 11)(x + 11) B. 11?(x - 7)(x + 7) C. 11?(x - 7)2 D. 18 ?(x - 11)2