Solve the problem.Suppose that 8% of the teachers at a university attended a conference. If 400 teachers attended the conference, how many teachers are at the university?
A. 40,000 teachers
B. 4000 teachers
C. 40 teachers
D. 5000 teachers
Answer: D
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Write one or more inequalities that describe the set of points.The rectangular solid in the first octant bounded by the planes x = 1, x = 3, y = 2, y = 3, 
and 
(planes excluded)
A. The given planes do not form a rectangular solid B. x < y < z C. 1 < x < 3; 2 < y < 3; 2 < z < 6 D. x < 1, x > 3; y < 2, y > 3; z < 2, z > 6
Match the graph with its function using the x-intercepts.
A. f(x) = (x - 3)2 - 3(x - 3) - 4 B. f(x) = (x - 3)2 + 3(x - 3) - 4 C. f(x) = (x - 3)2 + 9(x - 3) + 14 D. f(x) = (x - 3)2 - 9(x - 3) + 14
Translate the indicated expression.Diana has thirteen coins in her change purse that are all either dimes or quarters. If d represents the number of dimes she has, then write an expression in terms of d that describes the number of quarters.
A. d + 13 B. 13 ÷ d C. d - 13 D. 13 - d
Find the slope of the line.y = -2
A. 0 B. -2 C. undefined D. 2