Solve the problem.Each tire of an automobile has a radius of 2.5 feet. How many revolutions per minute (rpm) does a tire make when the automobile is traveling at a speed of 
Round your answer to the nearest tenth.
A. 878.5 rpm
B. 2745.4 rpm
C. 7.3 rpm
D. 439.3 rpm
Answer: D
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Find the measure in radians of the smallest possible angle that is coterminal with the given angle. For angles given in terms of ?, express the answer in terms of ?. Otherwise, round to the nearest hundredth.- 
A. 
B. 
C. 
D. 
Solve the problem.Find the exponential function f that models this data. Round the coefficients to the nearest hundredth.
A. f(x) = (5.97)(1.32)x B. f(x) = (1.63)(1.78)x C. f(x) = (1.78)(1.63)x D. f(x) = (1.32)(5.97)x
Tell whether the relation is reflexive, symmetric, or transitive on the set of all people. Also tell whether the relation is an equivalence relation."Is thinner than"
A. Symmetric and transitive; not an equivalence relation B. Symmetric; not an equivalence relation C. Reflexive and transitive; not an equivalence relation D. Transitive; not an equivalence relation
Use order of operations to simplify the expression.14 - (7 - 8)
A. 29 B. 13 C. 15 D. -1