Find the probability.The biology faculty at a college consists of 8 professors, 15 associate professors, 14 assistant professors, and 9 instructors. If one faculty member is randomly selected, find the probability of choosing a professor or an instructor.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the curvature of the curve r(t).r(t) = (6 + 2 cos 3t) i - (5 + 2 sin 3t)j + 10k
A. ? = 
B. ? = 2
C. ? = 
D. ? = 
Mathematics
Find the grade point average for a student earning the following grades. Assume A = 4, B = 3, C = 2, D = 1, and F = 0. Round answer to the nearest tenth.
A. 2.1 B. 3.1 C. 4.1 D. 9.8
Mathematics
Provide an appropriate response.Solve: x(4 - 2x) = -16
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem. Round to an appropriate number of significant digits.Let p represent the price of an item in dollars, while q represents demand in the first equation and supply in the second. Find the equilibrium price and the equilibrium supply/demand.p = 3680 - 100qp = 130q
A. $880; 28 B. $680; 30 C. $2080; 16 D. $2080; 30
Mathematics