Evaluate the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Use the identities for the cosine of a sum or a difference to write the expression as a single function of ?.cos (? - 180°)
A. -sin ? B. cos ? C. sin ? D. -cos ?
Mathematics
Simplify.-
A. 0.05 B. -0.5 C. does not exist as a real number D. -0.05
Mathematics
Graph the parabola.x2 = -8y
A. 
B. 
C. 
D. 
Mathematics
Write a product that represents the area of the rectangle. Then multiply.
A. 54x - 48 square meters B. 15x - 48 square meters C. 54x + 48 square meters D. 15x - 14 square meters
Mathematics