Write a formula for the nth term of the arithmetic sequence. Use the formula to find the 20th term of the sequence.-1, 1, 3, 5, 7, . . .
A. an = n + 2; a20 = 22
B. an = 3n - 2; a20 = 58
C. an = 2n - 3; a20 = 37
D. an = 2n + 3; a20 = 43
Answer: C
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Convert to Fahrenheit. Use the formula F = 
C + 32 or F = 1.8C + 32. Round your answer to the nearest tenth if necessary.96°C
A. 85.3°F B. 80.0°F C. 230.4°F D. 204.8°F
Decide if the given point satisfies the system of linear equations.
(-5, 6)
A. Yes B. No
Find the LCD for the set of fractions.
, 
A. 19 B. 7 C. 12 D. 84
Solve.Scores in golf can be positive or negative integers. For example, a score of 5 over par can be represented by 
and a score of 3 under par can be represented by 
If Donna had scores of 3 over par, 5 under par, and 4 under par for three games of golf, what was her total score?
A. 12 over par B. 6 under par C. 12 under par D. 6 over par