Decide whether the pair of lines is parallel, perpendicular, or neither.9x + 3y = 1215x + 5y = 23

A. parallel
B. perpendicular
C. neither


Answer: A

Mathematics

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Evaluate the integral. dx

A.  + C
B.  + C
C.  + C
D. 5 + C

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Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.

A. 1000
B. 2000
C. 2000
D. 20

Mathematics

Find the directrices of the hyperbola.y2 - 16x2 = 16

A. y = ± 
B. x = ± 
C. y = ± 
D. y = ± 

Mathematics

For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, or rational numbers.Temperatures given in a winter weather forecast in Alaska

A. Rational numbers
B. Natural numbers
C.

Integers

Mathematics