Find the slope and the y-intercept.x + 3y = 1

A. = 1; (0, 1)
B. = -3; (0, 3)
C. = 
D. = - 


Answer: D

Mathematics

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To find 500% of a number, multiply the number by 5. ? 36.02 ?

A. 7.204 B. 180.1 C. 72.04 D. 90.05

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Use natural logarithms to evaluate the logarithm to the nearest thousandth.log8.3 156

A. 2.386 B. 18.795 C. 2.193 D. 0.419

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If n is an integer, n ? 180° represents an integer multiple of 180°, and  represents an odd integer multiple of 90°. Decide whether the expression is equal to 0, 1, -1, or is undefined. tan(n ? 180°)

A. 0 B. Undefined C. 1 D. -1

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Find an equivalent equation in rectangular coordinates.r(cos ? - sin ?) = 5

A. x + y = 5
B. x - y = 25
C.  (x - y) = 5
D. x - y = 5

Mathematics