Convert to rectangular coordinates. Use exact values.
?

?
A.
B.
C.
D.
E. ?
Answer: A
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Add and simplify. Write the answer as a mixed number as needed. -
A.
B.
C.
D.
Use a Venn diagram to answer the question.A survey of 134 college students was done to find out what elective courses they were taking. Let A = the set of those taking art; B = the set of those taking basket weaving; and C = the set of those taking canoeing. The study revealed the following information:n(A) = 45; n(B) = 55; n(C) = 40; n(A ? B) = 12; n(A ? C) = 15; n(B ? C) = 23; n(A ? B ? C) = 2.How many students were not taking any of these electives?
A. 44 B. 52 C. 42 D. 10
Set up the percent proportion, and write "unknown" for the value that is not given. Recall that the percent proportion is =
. Do not try to solve for any unknowns.32 is 78% of what?
A. =
B. =
C. =
D. =
Simplify.-1(a - 8)
A. a + 8 B. -a + 8 C. -a - 8 D. a - 8