Evaluate the algebraic expression for the given values of the variables.  for x = 1 and y = 18

A. 16
B. 21
C. 5
D. 8


Answer: D

Mathematics

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Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 

A. 12 cm B. 14.5 cm C. 72.5 cm D. 145 cm

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By graphing the function, visually estimate its domain and range.t(x) = 

A. Domain: [4, ?); range: [4, ?) B. Domain: (-?, 4]; range: (-?, 4] C. Domain: (-?, ?); range: (-?, ?) D. Domain: (-?, 4]; range: [0, ?)

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Assume that x, y, and z are positive numbers. Use the properties of logarithms to write the expression  as the logarithm of one quantity.

What will be an ideal response?

Mathematics