Decide whether the pair of lines is parallel, perpendicular, or neither.9x + 3y = 1227x + 9y = 37
A. parallel
B. perpendicular
C. neither
Answer: A
Mathematics
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Convert 3 feet to centimeters. Round to the nearest hundredth.
A. 300.00 cm B. 984.24 cm C. 91.44 cm D. 9.84 cm E. 914.40 cm
Mathematics
Distribute and simplify.x-2(14x2/3 - 10x-1/2)
A. 7x4/3 + 5x5/2
B. 7x4/3 - 5x5/2
C. -
D. +
Mathematics
Decide whether or not the ordered pair is a solution of the system.(1, -2)4x = 2 - y3x = -5 - 4y
A. Yes B. No
Mathematics
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Mathematics