Evaluate.80 + 60
A. 14
B. 2
C. 1
D. 0
Answer: B
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Write a system of equations to describe the situation. Do not solve the system.An order of 3 orders of fries, 2 hamburgers, and 2 drinks costs $9. An order of 4 orders of fries, 2 hamburgers, and 4 drinks costs $12. All drinks are $1.
A. 
B. 
C. 
D. 
Determine where the function is increasing and where it is decreasing.f(x) = x2 - 8x
A. increasing on (-?, 4) decreasing on (4, ?) B. increasing on (4, ?) decreasing on (-?, 4) C. increasing on (-4, ?) decreasing on (-?, -4) D. increasing on (-?, -4) decreasing on (-4, ?)
Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms.
Find sin B and cos B.
A. sin B = 
; cos B = 
B. sin B = 
; cos B = 
C. sin B = 
; cos B = 
D. sin B = 
; cos B = 
Use this graph to answer the question. 
What were the total sales for 2006?
A. $50,000 B. $582,000 C. $48,000 D. $764,000