Complete the identity.
= ?
A. tan ? + 1
B. cot ? + cot ?
C. cot ? + tan ?
D. cot ? + tan ?
Answer: D
Mathematics
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Solve the problem.The cross section of a piece of a roller coaster having a width of 300 feet and a depth of 145 feet is depicted below.
What is the equation of this parabola?
A. y = 
x2
B. y = 
x2
C. y = 
x2
D. Not enough information
Mathematics
Find the equation in slope-intercept form of the line satisfying the conditions.Slope 1; y-intercept (0, -4)
A. y = -4x + 1 B. x + y = -4 C. y = x - 4 D. y = -4x
Mathematics
Fill in the blank with the correct inequality symbol, using the rules for producing equivalent inequalities.If x ? 2, then x - 2 
0.
A. < B. ? C. > D. ?
Mathematics
Find the exact value of 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics