Use special right triangles to evaluate the expression.tan 30° - cos 45°
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the identical expression for the following.
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A. 
B. 
C. 
D. 
E. 
Mathematics
Evaluate the algebraic expression for the given value of the variable.(4x)2 - 10x for x = 2
A. 54 B. -4 C. 12 D. 44
Mathematics
Use your estimation skills to pick the most reasonable answer. Do not solve the problem.16 - 15.846
A. 1.54 B. 0.154 C. 0.0154
Mathematics
Solve the problem.The difference between two positive integers is 40. One integer is three times as great as the other. Find the integers.
A. 20 and 40 B. 20 and 60 C. 40 and 60 D. 60 and 100
Mathematics