Solve the equation.5x = 20

A. 4.000
B. 1.386
C. 1.861
D. 0.537

Answer: C

Mathematics

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Simplify, then write in descending order.x - 4x2 - x3 - x + x3

A. x³ - 4x² + x
B. - x³ - 4x² + x
C. x³ - 4x² - x
D. - x³ - 4x² - x

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Solve.A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 7 different flags available, how many different signals can be flown?

A. 35 B. 210 C. 343 D. 21

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Using the horizontal-line test, determine whether the function is one-to-one.f(x) =

A. Yes B. No

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In an isosceles triangle, two sides are four times the length of the third side. Find the length of the SHORTEST side if the perimeter is 54 feet.

A. 9 feet B. 8 feet C. 6 feet D. 5 feet

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Mathematics