Use the principle of square roots to solve the equation.3z2 + 4 = 79
A. 5
B. ±6
C. 39.5
D. ±5
Answer: D
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Represent the quantity by an integer.losing 21 cents
A. 21 B. -21
Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be 
of an acre. How many lots will the land developer have in the 8 acres?
A. 
lot
B. 1
lots
C. 2
lot(s)
D. 28 lots
Let A = {1, 3, 5, 7}B = {5, 6, 7, 8}C = {5, 8}D = {2, 5, 8}U = {1, 2, 3, 4, 5, 6, 7, 8}.Determine whether the statement is true or false.{ } ? C
A. False; the elements in the empty set are not the same elements as in U. B. False; the empty set is not a subset of any set. C. True D. False; the empty set is not a subset of U.
Provide an appropriate response.List the advantages and disadvantages of using a bar graph to present data.
What will be an ideal response?