Solve the problem.For a car traveling at x mph, stopping distance is estimated by the formula D = 
x2 + 
x. Find a (maximum) safe speed for a stopping distance of 580 feet. Round your answer to the nearest mph.
A. 58 mph
B. 62 mph
C. 67 mph
D. 70 mph
Answer: A
Mathematics
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Determine whether the sequence of vertices is i) a walk, ii) a path, iii) a circuit in the given graph.
B ? H ? F ? G
A. Walk only B. Walk and path C. None of these D. Walk, path, and circuit
Mathematics
Write the expression as a product of a whole number and a power of 10. Use an exponent to represent the power of 10.100,000,000
A. 1 × 107 B. 1 × 108 C. 1 × 109 D. 1 × 106
Mathematics
Solve the problem.The cost of a cab ride in dollars is given by C(x) = 1.80 + 1.10x, where x is the number of miles. What are the charges for a ride of 25 miles?
A. $46.10 B. $72.50 C. $29.30 D. $49.50
Mathematics
Add or subtract. Assume all variables represent positive real numbers.3 
+ 4xy 
A. 11 xy3
B. 11x2y3
C. 7xy4
D. 7x2y4
Mathematics