Perform the operation. Write the answer as a fraction in lowest terms.
? 
A. 
B. 
C. 
D. 
Answer: D
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Solve.The average of a student's three scores is 78. The first is 13 more than the second, and the sum of the first two is 9 more than twice the third. Find the student's score that is closest to the average score.
A. 75 B. 71 C. 77 D. 73
Solve the problem.Name the line in seven different ways.
A. m, 
, 
, 
, 
, 
, 
B. m, 
, 
, 
, 
, 
, 
C. m, 
, 
, 
, 
, 
, 
D. m, 
, 
, 
, 
, 
Solve the problem.Sara works at a fast food restaurant. On one day she sold 95 double hamburgers, 11 fish sandwiches, 94 orders of French fries, 88 small drinks, 36 medium drinks, and 17 large drinks. On the next day she sold 54 double hamburgers, 45 fish sandwiches, 94 orders of French fries, 39 small drinks, 65 medium drinks, and 91 large drinks. Write this information in a 6x2 matrix.
A. 
B. 
C. 
D. 
Solve the equation on the interval 0 ? ? < 2?.5
sin ? + 4 = -1
A. 
B. 
C. 
D. 