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
Mathematics
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