Solve for x.3x = 
A. x = -4
B. x = 
C. x = 
D. x = 4
Answer: A
Mathematics
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150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.Approximately what percent of the students scored between 65 and 75 points?
A. 34% B. 10% C. 68% D. 95% E. none of these
Mathematics
Estimate. Then find the actual quotient.203.49 ÷ 21
A. Estimate: 10; Actual: 10.69 B. Estimate: 8; Actual: 9.69 C. Estimate: 8; Actual: 8.69 D. Estimate: 10; Actual: 9.69
Mathematics
Provide an appropriate response.Solve the equation by factoring: x3 - 4x2 - 21x = 0
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the ratio in fraction notation.7 to 5
A. 
B. 
C. 
D. 
Mathematics