Find the trigonometric form of 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: E
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Plot a scatter diagram.Draw a scatter diagram of the given data. Find the equation of the line containing the points 
and 
Graph the line on the scatter diagram.
A. y = -1.8x + 11.02
B. y = -2.49x + 13.55
C. y = 2.26x + 13.05
D. y = -2.26x + 13.05
Find the standard form of the equation of the parabola.Vertex at the origin, opens to the right, focal width = 14
A. x2 = 14y B. y2 = -14x C. y2 = 14x D. y2 = 3.5x
Write an algebraic expression for the quantity. Let x represent the unknown value.Ten times a number decreased by one-eighth of the same number.
A. 10x - 
B. 10x - 
C. 10(x - 
)
D. 
- 10x
Solve the problem.A vendor sells hot dogs and bags of potato chips. A customer buys 2 hot dogs and 2 bags of potato chips for $6.00. Another customer buys 5 hot dogs and 4 bags of potato chips for $13.75. Find the cost of each item.
A. $1.75 for a hot dog; $1.50 for a bag of potato chips B. $2.00 for a hot dog; $1.50 for a bag of potato chips C. $1.75 for a hot dog; $1.25 for a bag of potato chips D. $1.25 for a hot dog; $1.75 for a bag of potato chips