Find the exact value of the expression. Do not use a calculator.sin2 60° - cos2 45° - sin2 30°
A. 3
B. 
C. - 
D. 0
Answer: D
Mathematics
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Identify the indicated entry in matrix A.A = 
; identify a12.
A. 8 B. 7 C. 2 D. 5
Mathematics
Provide an appropriate response.What is wrong with the statement "The line has no slope."?
What will be an ideal response?
Mathematics
Find the requested function value for the given function. Round the answer to the nearest tenth when necessary.If f(x) = 
, find the value of f(4).
A. 16 B. 4.5 C. 4 D. 18
Mathematics
Solve the problem.A recipe calls for 
cup of milk. How much milk should be used to make 
of the recipe?
A. 
cup
B. 
cup
C. 
cup
D. 
cup
Mathematics