Find the function value. If it is undefined, say so. sec 1080°
A. -1
B. Undefined
C. 1
D. 0
Answer: C
Mathematics
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Frank's algebra grade is based on the average of four exams, which will count equally. His grades are 75, 80, 70 and 85. Find his average.
A. 72.5 B. 77.5 C. 82.5 D. 92.5 E. 87.5
Mathematics
Simplify the fraction, if possible.
A. 1
B. 
C. -1
D. 0
Mathematics
Find an equation for the line with the given properties.The solid line L contains the point (3, 5) and is parallel to the dotted line whose equation is 
Give the equation for the line L in slope-intercept form.
A. y = 2x + 2 B. y - 5 = 2(x - 3) C. y = 2x + b D. y = 2x - 1
Mathematics
Find the sum.54 + 18 + 6 + 2 + . . .
A. 81 B. 78 C. - 27 D. Does not exist
Mathematics