Solve the problem.Frank can type a report in 7 hours. James takes 3 hours to type it. How long will it take the two of them typing together?
A. 5
hr
B. 2
hr
C. 
hr
D. 
hr
Answer: B
Mathematics
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Determine the symmetries of the curve.r = 5 sin ? - 2 cos ?
A. No symmetry B. y-axis only C. x-axis only D. x-axis, y-axis, origin
Mathematics
Establish the identity.tan2x = sec2x - sin2x - cos2x
What will be an ideal response?
Mathematics
Write an equation in standard form using only integers for the line described.The line through (4, 4), parallel to y = - 
x + 1
A. 5x - 7y = 48 B. 7x + 5y = -48 C. 5x + 7y = -48 D. 5x + 7y = 48
Mathematics
Graph.(x - 2)2 + y2 = 25
A. 
B. 
C. 
D. 
Mathematics