Subtract.13 - 13
A. 13
B. 26
C. 0
D. -13
Answer: C
Mathematics
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Use cross multiplication to determine whether the pair of fractions is equivalent.
A. 50 ? 18; No B. 60 = 60; Yes C. 30 = 30; Yes D. 15 ? 60; No
Mathematics
Graph the ellipse. Label the intercepts.
+ 
= 1
A. (- 
, 0), (
, 0), (0, - 
), (0, 
)
B. (0, - 
), (0, 
), (- 
, 0), (
, 0)
C. (- 
, 0), (
, 0), (0, - 
), (0, 
)
D. (- 
, 0), (
, 0), (0, - 
), (0, 
)
Mathematics
Solve the problem.To get an A in biology, Fred must have a mean score of 91 on six quizzes. Scores on the first five quizzes were 93, 85, 87, 93, and 96. What is the lowest score that Fred can get on the last quiz and still receive an A?
A. 102 B. 90 C. 92 D. 91
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. - 
B. -1
C. - 
D. 
Mathematics