Solve the problem.Which of the following vectors is parallel to v = -10i - 8j?
A. w = 4i + 4j
B. w = 3i - 5j
C. w = 20i + 16j
D. w = -20i + 25j
Answer: C
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Find the surface area or volume.Use an integral table and a calculator to find to two decimal places the area of the surface generated by revolving the curve 
about the x-axis.
A. 99.99 B. 58.17 C. 71.39 D. 81.81
Solve.Maria deposited 
in an independent retirement account at her bank. She earns 
interest per month on the balance. Each month, she deposits 
in the account. Her balance each month after making a 
deposit, is given by the recursively defined sequence B0 = $1500 Bn = 1.005Bn-1 + 100If she made the initial deposit on
September 30, and makes each monthly deposit on the last day of the month, how much money will be in the account at the end of the year for Maria to count as a deduction for that year's federal income taxes? That is, determine B3. Fill in the blank(s) with the appropriate word(s).
Find the lump sum deposited today that will yield the same total amount as this yearly payment (made at the end of each year for 20 years at the given interest rate, compounded annually).$950 at 3%
A. $13,607.04 B. $14,133.63 C. $14,644.25 D. $14,124.13
Draw a Venn diagram and label each basic region with the number of elements in it if n(U) = 30, n(?) = 10, n(B) = 7, n(C) = 13, n(A ? B) = 3, n(B ? C) = 1, n(? ? C) = 4, and n(? ? B ? C) = 1.
What will be an ideal response?