Solve the problem.The lengths and the widths of the following two rectangles are labeled. Create a polynomial that describes the sum of the area of these two rectangles.
A. 48y
B. 3y2 + 12y
C. 12y2 + 48y
D. 3y2 + 36y
Answer: B
Mathematics
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Find the curvature of the curve r(t).r(t) = (3 + cos 6t - sin 6t)i + (4 + sin 6t + cos 6t)j + 9k
A. ? = 3
B. ? = 
C. ? = 3
D. ? = 
Mathematics
Use the properties of parallel lines to solve the problem.In the figure, 
. Identify all pairs of congruent angles.
A. ?ABE and ?FCD B. ?ABC and ?FCD , ?ABE and ?BCD, C. ?ABE and ?FCD , ?ABC and ?BCD D. ?ABE and ?ABC , ?FCD and ?BCD
Mathematics
Solve the inequality and graph the solution.-4(3y - 7) < -16y + 8
A. y ? -5 
B. y > -5 
C. y ? -5 
D. y < -5 
Mathematics
Simplify the fraction, if possible.
A. 
B. 6
C. undefined
D. 0
Mathematics