Evaluate the expression for the given replacement values.x - y + z for x = 18, y = 10, z = 3

A. 31
B. 11
C. 12
D. 5


Answer: B

Mathematics

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Solve the problem.A famous golfer tees off on a straight 380 yard par 4 and slices his drive to the right. The drive goes 260 yards from the tee. Using a 7-iron on his second shot, he hits the ball 180 yards and it lands inches from the hole. How many degrees (to the nearest degree) to the right of the line from the tee to the hole did he slice his drive?

A. 53° B. 37° C. 25° D. 118°

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Multiply.(2 + )(2 - )

A. 4x - y
B. 4x + y
C. 4x - 2  - y
D. 4x2 - y2

Mathematics

Use the horizontal line test to determine whether the function is one-to-one.

A. Yes B. No

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Arrange in ascending powers of x.18x - 18x3 - 14 - 5x7 + 4x2

A. 18x7 - 18x3 - 14x2 - 5x + 4 B. -5x7 - 18x3 + 4x2 + 18x - 14 C. 18x + 4x2 - 18x3 - 5x7 - 14 D. -14 + 18x + 4x2 - 18x3 - 5x7

Mathematics