Find the circumference. Leave your answer in terms of pi.A circle with radius 7.75 mi
A. 15.5? mi
B. 31? mi
C. 60.0625? mi
D. 7.75? mi
Answer: A
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = t + cos t, y = 2 - sin t, t = 
A. y = -
x + 
B. y = -
x - 
? + 2
C. y = -
x + 
? + 3
D. y = 
x - 
?
Solve the problem.Mike filled his car's gas tank and noted that the odometer read 19,982.8. After the next filling, the odometer read 20,298.7. It took 13.5 gal to fill the tank. How many miles per gallon did the car get?
A. 22.7 mpg B. 23.7 mpg C. 23.4 mpg D. 24.4 mpg
Rewrite the given expression as a single logarithm. Assume that all variables are defined in such a way that variable expressions are positive and bases are positive numbers not equal to 1.2logc q - 
logc r + 
logc f - 3logc p
A. logc (2q - 
r + 
f - 3p)
B. logc 
C. logc 
D. logc 
Change the decimal to a percent.1.34
A. 1840% B. 234% C. 134% D. 1340%