Solve. Use interval notation to express the range.On the first four exams, your grades are 79, 98, 59, and 80. There is still a final exam, and it counts as two grades. You are hoping to earn a C in the course. This will occur if the average of your six exam grades is greater than or equal to 70 and less than 80. What range of grades on the final exam will result in earning a C?
A. [34, 84]
B. [52, 82)
C. [52, 82]
D. [34, 84)
Answer: B
Mathematics
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Evaluate the expression.
3
A. 
B. 3
C. 
D. 
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Divide. Express your answer in simplest form.5
÷ 3
A. 1
B. 1
C. 2
D. 1
Mathematics
Find the unknown value.What percent of 35 is 28?
A. 75% B. 120% C. 125% D. 80%
Mathematics
Solve the problem.Determine which of the following statements is false.A: The dimension of the vector space P7 of polynomials is 8.B: Any line in ?3 is a one-dimensional subspace of ?3.C: If a vector space V has a basis B = 
, then any set in V containing 8 vectors must be linearly dependent.
A. A and B B. B C. A D. C
Mathematics