Perform the indicated operation. Write the sum as a fraction, whole number, or mixed number in lowest terms. 
+ 
A. 
B. 
C. 
D. 1
Answer: D
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Solve the problem.Find a curve through the point (-10, 1) whose length integral, 1 ? y ? 2, is L = 
A. x = 
B. x = - 10
C. x = 
D. x = - 10y5/2
Solve the problem. Round your answer to the nearest hundredth.A conveyor ramp carries heavy equipment up to an elevated platform. The platform is 42 ft above ground level and the angle of elevation of the ramp is 20°. How long is the ramp?
A. 15.29 ft B. 122.80 ft C. 44.70 ft D. 39.47 ft
Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 5}, B = {1, 2, 5, 6}, C = {3, 5, 7}. List all the members of the set below.
?
?
{ __________ }
Fill in the blank(s) with the appropriate word(s).
Find an equation for the parabola described.Vertex at (-3, 4); directrix x = 1
A. x = - 
(y - 4)2 - 3
B. x = - 
(y + 3)2 + 4
C. y = - 
(x - 4)2 - 3
D. y = - 
(x + 3)2 + 4