The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve by making a u-substitution.x - 13x1/2 + 42 = 0
A. {6, 7} B. {-36, 49} C. {-6, 7} D. {36, 49}
Mathematics
Solve.The enrollment at a local college increased 7% over last year's enrollment of 800. Find the current enrollment.
A. 856 students B. 1360 students C. 56 students D. 807 students
Mathematics
Solve the problem.The markup on an item is its selling price, s, minus its cost, c. If a new printer costs $284.25 and it sells for 
what is the markup?
A. $115 B. $115.74 C. $124.26 D. $684.24
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 - 5x - 66
A. (x - 66)(x + 1) B. prime C. (x - 11)(x + 6) D. (x + 11)(x - 6)
Mathematics