Determine whether the pair of lines is parallel, perpendicular, or neither. 3x - 8y = 432x + 12y = 4
A. Parallel
B. Perpendicular
C. Neither
Answer: B
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Change the fraction into a decimal. Round your answer to the nearest hundredth, if necessary.
A. 0.22 B. 0.02 C. 4.5 D. 2.22
Solve.The air pollution, y, in appropriate units, in a large industrial city has been growing as shown by the graph below, where x is time in years from 1990. That is, x = 0 represents 1990. Approximate the air pollution in the year 2005 (x = 15) to the nearest thousand.
A. 20,000 B. 18,000 C. 15,000 D. 22,000
Solve the problem.Crafty Bill's Cool Car Sales opened as a used car sales lot in 2006. The graph shows the number of cars sold as a function of time. What is the approximate number of cars sold in 2008?
A. 600 cars B. 700 cars C. 150 cars D. 750 cars
Add or subtract as indicated. If terms are not like radicals and cannot be combined, so state. Assume all variables represent nonnegative real numbers.6
- 6
A. 72
B. 2
C. 2
D. 12