Solve the problem.The table lists how financial aid income cutoffs (in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the financial aid cutoff for 1985.
A. $20,250
B. $17,625
C. $33,375
D. $51,750
Answer: C
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Find the probability. Round to the nearest ten-thousandth when necessary.A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. What is the probability that you have at least 2 orange candies?
A. 0.3362 B. 0.5758 C. 0.4909 D. 0.1515
Determine whether the angles in the given pair are coterminal.- 
, 
A. Yes B. No
Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
A. 
B. 
C. 
D. 
Solve the problem.The following graph shows the private, public and total national school enrollment for students for select years from 1970 through 2000.
i) How is the graph for total school enrollment, T, determined from the graph of the private enrollment, r, and the public enrollment, u?ii) During which 10-year period did the total number of students enrolled increase the least?iii) During which 10-year period did the total number of students enrolled increase the most?
A.
| i) | T is the sum of r and u. |
iii) 1990-2000
B.
| i) | T is the sum of r and u. |
iii) 1970-1980
C.
| i) | T is the difference of r and u. |
iii) 1990-2000
D.
| i) | T is the sum of r and u. |
iii) 1980-1990