Determine whether the pair of lines is parallel, perpendicular, or neither.y = 2x + 10x - 2y = 5
A. parallel
B. perpendicular
C. neither
Answer: C
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Solve.In a practice run, a race car driver's speed is clocked at 140.847 mph at the end of his first lap, and at 167.228 mph at the end of the next lap. How much faster was he driving at the end of the second lap?
A. 26.391 mph B. 25.381 mph C. 26.481 mph D. 26.381 mph
Factor.49 - 42x + 5x2
A. (x - 7)(x - 7) B. (5x - 7)(x - 7) C. (5x + 7)(x + 7) D. (5x - 42)(x - 7)
Find all values of x between 0 and 2? that satisfy the equation.sec x = -
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Solve.A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
A. 50 mph B. 20 mph C. 40 mph D. 80 mph