There are 13 patients in Dr. Ziglar's waiting room. Dr. Ziglar can see 8 patients before lunch. In how many different orders can Dr. Ziglar see 8 of the patients before lunch?
a. 1,287
b. 154,440
c. 104
d. 8
e. 51,891,840
e. 51,891,840
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Write an iterated integral for 
S is the region in the first octant bounded by the cylinder y2 + z2 = 1 and the planes x = 5 and x = 7.
A. 
B. 
C. 
D. 
Solve the problem. If the answer is an amount of money, round to the nearest dollar.Brand X copier advertises that its copiers run 19% longer between service calls than its competitor. If Brand X copiers run 55,500 copies between services, how many copies would the competitor run?
A. 30,663 B. 44,955 C. 46,639 D. 66,045
Solve graphically.2x - y = 1
A. No solution B. (3, 2) C. Infinitely many solutions D. (2, 3)
Provide an appropriate response.A trigonometry student makes the statement, "If we know any two sides and one angle of a triangle, then the triangle is uniquely determined." Is this a valid statement? Explain, referring to the congruence axioms.
What will be an ideal response?