Solve the equation. Make sure you check your final solution(s).
+ 
= 
A. x = -7
B. x = 0
C. x = 4
D. no solution
Answer: D
Mathematics
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Find the focus and directrix of the parabola.x = 8y2
A. F: 
; D: x = 
B. F: 
; D: x = - 
C. F: 
; D: x = - 
D. F: 
; D: y = - 
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Solve the equation.
= 3
A. {10} B. {8} C. {9} D. {16}
Mathematics
Find the mean. If necessary, round to one decimal place.27, 35, 77, 51, 136, 72
A. 79.6 B. 65.8 C. 66.8 D. 66.3
Mathematics
Write the ratio as a fraction in lowest terms.27 miles to 60 miles
A. 
B. 
C. 
D. 
Mathematics