Use determinants to find the area of a triangle with the given vertices and confirm your answer by plotting the points in a coordinate plane and using the formula
.
?
(5, -3), (2, -2), (7, 5)
?
A. 21
B. 13
C. 15
D. 19
E. 17
Answer: B
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Find the area enclosed by the given curves.y = 2x - x2, y = 2x - 4
A. 
B. 
C. 
D. 
Find the product.0(-18)
A. 0 B. -36 C. -18 D. 18
Solve problems using a calculator.Balance this checkbook by finding the closing balance as of December 10.DateBalanceWithdrawalsDepositsNov. 5$429.87??Nov. 7?$15.78?Nov. 18?$85.41?Nov. 24??$50.00Nov. 25?$9.12?Dec. 2??$188.34Dec. 7?$467.51?Dec. 10? ??
A. $90.79 B. $90.25 C. $90.39 D. $90.65
Solve the problem.In 1993-1994, a total of 1059 doctoral degrees were awarded in the mathematical sciences. Out of the 
who received such degrees, 345 were United States citizens. The number of women recipients who were not United States citizens was 104. How many women among the United States citizens received doctoral degrees?
Fill in the blank(s) with the appropriate word(s).