Find the exact value of the expression.cos
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Graph the parabola and its vertex, focus, and directrix.x2 = -8y
A. 
B. 
C. 
D. 
Mathematics
Use the circle graph to solve the problem. Give your answer as a fraction, decimal, and as a percent.The circle graph below shows the majors for 160 college students at Blackwood Community College. What portion of the students are majoring in business?
A. 
; 0.05; 5%
B. 
; 0.04; 4%
C. 
; 0.05; 0.5%
D. 
; 0.04; 40%
Mathematics
Write using radical notation. Then, simplify, if possible.165/4
A. 32 B. 512 C. 128 D. 256
Mathematics
The graph of a quadratic function is given. Determine the function's equation.
A. f(x) = x2 - 2x + 1 B. g(x) = x2 + 2x + 1 C. j(x) = x2 + 1 D. h(x) = x2 - 1
Mathematics