Solve.The formula v = 
can be used to estimate the maximum safe velocity v, in miles per hour, at which a car can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, find the radius of curvature if the maximum safe velocity is 40 miles per hour.
A. 4000 ft
B. 640 ft
C. 256 ft
D. 1600 ft
Answer: B
Mathematics
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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(8
+ 6)2
A. 740 + 96
B. 710 + 96
C. 740 - 96
D. 668 + 96
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Solve the equation.log5 (4x - 1) = log5 (2x + 3)
A. 1 B. 2 C. 2 D. No solution
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Write the sentence as an equation. Use x to represent any unknown number.Six is not equal to ten divided by two.
A. 6 ÷ 2 ? 10 B. 6 = 10 ÷ 2 C. 6 ? 10 ÷ 2 D. 6 ? 10
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Simplify the expression. Include absolute value bars where necessary.
A. 
B. ±x + 2
C. x + 2
D. 
+ 2
Mathematics