Find the exact value of the expression. Do not use a calculator.tan 30° - cos 45°
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.If an object has a 120° clockwise rotation as one of its symmetries, then it must also have as a symmetry
A. a 60° clockwise rotation. B. a 120° counterclockwise rotation. C. a 60° counterclockwise rotation. D. a 180° rotation. E. none of these
Find the probability.A spinner has regions numbered 1 through 21. What is the probability that the spinner will stop on an even number or a multiple of 3?
A. 
B. 17
C. 
D. 
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 7, u '(2) = 2, v(2) = -2, v '(2) = -4.
(uv) at x = 2
A. -24 B. -32 C. 32 D. 22
Provide an appropriate response.Solve the following equation: 
= 30
Fill in the blank(s) with the appropriate word(s).