Fill in the blank with one of the words listed below.
The equation y + 1 = 7(x - 2) is written in 
form.
A. slope-intercept
B. standard
C. point-slope
D. slope
Answer: C
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Find the measure of the dihedral angle indicated.The figure shown is a right prism whose bases are regular octagons. Find the measure of the dihedral angle between adjacent lateral faces.
A. 90° B. 120° C. 45° D. 135°
In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(
, - 
)Find csc t.
A. 
B. - 
C. - 
D. 
Solve the problem.The length and area of the rectangle are given. Express the width as a binomial. 
A. 3x + 2 B. 4x - 2 C. 4x + 3 D. Not enough information.
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $7500 in 2007 and $56,500 in 2012. Let x = 0 represent 2007. Find the equation giving yearly sales y.
A. S(x) = 49,000x + 56,500 B. S(x) = 9800x + 7500 C. S(x) = 49,000x + 7500 D. S(x) = 9800x + 56,500