Simplify.-(-10)
A. 10
B. 0
C. -10
D. -11
Answer: A
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?There are three Math 094 classes at Munster State College. Section 1 has 30 students, Section 2 has 24 students, and Section 3 has 105 students. Which of the following is possible?
A. ?All sections are broken up into groups of 4. B. ?All sections are broken up into groups of 3. C. ?All sections are broken up into groups of 5. D. ?The first two sections are broken up into groups of 12. E. ?The last two sections are broken up into groups of 2.
Solve the problem.A computer manufacturer has three outlet stores that sell its four computer systems. The following table shows the numbers of systems sold by the three stores in July. 
The prices of the systems are: $1200 for System 1, $1500 for System 2, $1600 for System 3, and $2100 for System 4. Write the information from the table as a 4 x 3 matrix B. Write a row matrix A for which the entries represent the prices for the systems. If C = AB, find c11 . What does this entry of C represent?
A. c11 = 153,000. c11 represents the sales of System 2 at all stores in July. B. c11 = 173,000. c11 represents the total sales at Store 3 in July. C. c11 = 163,000. c11 represents the total sales at Store 1 in July. D. c11 = 185,000. c11 represents the total sales at Store 1 in July.
Calculate the circulation of the field F around the closed curve C.F = y3i + x2j; curve C is the counterclockwise path around the triangle with vertices at 
(2, 0), and (0, 1)
A. 0
B. - 
C. 
D. 
Find an equivalent expression without parentheses.-(-7 + 2y)
A. 7 + 2y B. -7 + 2y C. 7 - 2y D. 14y