Subtract. Write a mixed numeral for the answer.
A. 21
B. 22
C. 21
D. 22
Answer: A
Mathematics
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Solve the problem. Express your answer as an integer or simplified fraction.
- 4 = 
- 3
A. - 14 B. - 6 C. 14 D. - 2
Mathematics
Use factoring by grouping to solve the equation.2x3 + 8x2 - 8x - 32 = 0
A. -2, 2, 4 B. -8, -4, 4 C. -4, -2, 2 D. -4, -2, 1
Mathematics
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of .9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are indicated. Round to the nearest whole percent.Between 14.3 and 16.1 seconds
A. 34% B. 50% C. 48% D. 68%
Mathematics
Match the given equation with one of the graphs.36x2 + 64y2 = 2304
A. 
B. 
C. 
D. 
Mathematics