Some mathematics professors would like to purchase a $200 microwave oven for the department workroom. If 8 of the professors don't contribute, everyone's share will increase by $80. How many professors are in the department?
Fill in the blank(s) with the appropriate word(s).
10
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Find the divergence of the field F.F = 
A. 
B. 0
C. 
D. 
Find the extreme values of the function subject to the given constraint.
A. Maximum: 26 at 
minimum: 0 at 
B. Maximum: 36 at 
minimum: 0 at 
C. Maximum: 36 at 
minimum: -36 at 
D. Maximum: 26 at 
minimum: -26 at 
Which of the following tasks requires more than just visual decoding of a data display?
a. Reading the values for the x and y coordinates of a given point on a scatterplot. b. Consulting a bar graph to determine how many students in a class received As on their final exam. c. Finding the number of teachers in a school who make $50,000 or more per year by using compiled data displayed in a table. d. Deciding whether or not to trust a weather forecast by examining data about the forecaster's accuracy for the past year.
Determine the value of the variable so that the equality is a proportion.
= 
A. 17.65 B. 8.825 C. 10.325 D. 0.041