Use a reference angle to find the value. tan 330°
A. - 
B. 
C. - 
D. -2
Answer: A
Mathematics
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Multiply.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Jack is currently driving into a headwind (17% decrease). If his normal mileage is 21 mpg, what will his car's mileage be in the headwind? Round your answer to the nearest tenth.
A. 17.4 mpg B. 21 mpg C. 38 mpg D. 7.3 mpg
Mathematics
Write the standard form of the equation of the circle whose radius is r and whose center is (h, k).r = 14; (h, k) = (0, 0)
A. x2 + y2 = 14 B. x2 + y2 = 28 C. x2 + y2 = 196 D. x2 - y2 = 14
Mathematics
Determine whether the equation defines y as a function of x. y2 = 4 - x2
A. function B. not a function
Mathematics