For the given slope of line l1, (a) find the slope of line a l2 parallel to l1, and (b) find the slope of a line l3 perpendicular to l1.m = 0
A. (a) undefined; (b) 0
B. (a) 0; (b) undefined
C. (a) - 1; (b) 1
D. (a) 0; (b) -1
Answer: B
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Subtract and simplify. Write the answer as a mixed number as needed.20
qt - 2
qt
A. 17
qt
B. 18
qt
C. 17
qt
D. 17
qt
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.What is 6.045 grams from 622.2 grams?
A. Estimate: 594 grams; exact: 616.165 grams B. Estimate: 694 grams; exact: 626.155 grams C. Estimate: 594 grams; exact: 616.255 grams D. Estimate: 594 grams; exact: 616.155 grams
Simplify the expression. Assume all variables represent positive real numbers.
- 
+ 
A. 13x
- 6
B. 13
- 
C. 13x
- 6
D. 12x
- 6
Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a rectangular solid with width = 7 m, length = 8 m, height = 4 m
A. 448 m3 B. 196 m3 C. 128 m3 D. 224 m3