Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = 2i + 4j, w = 4i + 8j
A. parallel
B. orthogonal
C. neither
Answer: A
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Solve the problem.Sue had $948 in her bank account. She deposited a $841 paycheck and a 
paycheck. How much did she deposit and what was her new balance?
A. $1050; $1791 B. $943; $1881 C. $943; $1891 D. $1789; $1891
Provide an appropriate response.Represent the set x > -2 on a number line.
A. 
B. 
C. 
D. 
Solve the problem. Use 3.14 for ? and round to the nearest tenth.Pedro can't decide which size pizza to order. The 10-inch cheese and sausage pizza is $10.99, while the 12-inch deluxe is $11.99. The dimensions given are the diameters of the pizzas. If he gets the 10-inch pizza, the total price will be divided among 3 people. If he chooses the 12-inch pizza, then the total price will be divided among 4 people. Which is the better buy? How much will each person pay?
A. 10-inch pizza; $3.00 B. 12-inch pizza; $3.66 C. 12-inch pizza; $3.00 D. 10-inch pizza; $3.66
Find the product.(3xy2 - 13y)(3xy2 + 13y)
A. 9x2y4 - 169y2 B. 9x2y4 - 78xy3 - 169y2 C. 3x2y4 - 13y2 D. 9x2y4 + 78xy3 - 169y2