Perform the indicated operation. Assume that all variables represent positive numbers.
A. 
B. 2
C. 
D. 5
Answer: B
Mathematics
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.How much work is done by a 150-lb woman as she walks up 14 steps, each with a 
-ft rise?
A. 525 ft ? lb B. 4200 ft ? lb C. 1050 ft ? lb D. 2100 ft ? lb
Mathematics
Write an equation to describe the situation.You plan to purchase a 
bike 9 months from now. How much money must you save per month, m, in order to buy it?
A. 9m = 946
B. 
= 946
C. 946m = 9
D. 9 + m = 946
Mathematics
For the point given in rectangular coordinates, find equivalent polar coordinates 
for 
and 
Approximate ? to the nearest hundredth of a radian.(60, -11)
A. (61, 0.18) B. (61, 2.96) C. (122, 2.96) D. (61, 6.10)
Mathematics