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. 20 mph
B. 40 mph
C. 50 mph
D. 80 mph
Answer: A
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Solve the equation using the zero product property.(x - 7)(2x + 19) = 0
A. 
B. 
C. 
D. 
Find the probability of the following card hands from a 52-card deck. In poker, aces are either high or low. A bridge hand is made up of 13 cards.In poker, a flush (5 in same suit) in any suit
A. 0.00198 B. 0.000347 C. 0.000495 D. 0.00122
Provide an appropriate response.Verify the identity. cosh(sinh-1 x) = 
, for all x
What will be an ideal response?
Use graphical methods to solve the linear programming problem.x + 2y ? 103x + y ? 10x ? 0y ? 0Minimize P = 2x + 4y 
A. Minimum of 20 when x = 2 and y = 4, as well as when x = 10 and y = 0, and all points in between B. Minimum of 20 when x = 2 and y = 4 C. Minimum of 0 when x = 0 and y = 0 D. Minimum of 20 when x = 10 and y = 0