Simplify the expression using the order of operations. Write the answer as an improper fraction where appropriate.
A. 49
B. 
C. 41
D. 10
Answer: C
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What is a triangle with three sides of equal length called?
A. right B. scalene C. equilateral D. isosceles E. none of these
A computer password is made up of four characters. Each character can be a capital letter (A through Z), a lowercase letter (a through z) or a digit (0 through 9).How many passwords have 2 letters (uppercase or lowercase) and 2 digits?
A. 52 × 51 × 10 × 9 B. 6 × 522 × 102 C. 2 × 522 × 102 D. 522 × 102 E. none of these
Solve the nonlinear system.y2 + 3x2 = 17 y2 - x2 = 1
A. (2, 
), (2, -
), (-2, 
), (-2, -
)
B. (3, 
), (3, -
), (-3, 
), (-3, -
)
C. (2, 
), (2, -
)
D. no real solution
Use this graph to answer each question. Big "D" Sales 1989-1990 
MonthWhat were the total sales for the first 6 months of 1990?
A. $366,000 B. $64,000 C. $286,000 D. $302,000