Solve the problems.Last year, Karen's average electricity bill was $180.64. In October, her electricity bill was $218.95. How much more than last year's average was the October bill?
A. $38.41
B. $28.31
C. $39.31
D. $38.31
Answer: D
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Solve the problem.Mary lives on a corner lot. The neighborhood children have been cutting diagonally across her lawn instead of walking around the yard. If the diagonal distance across the lawn is and the longer part of the sidewalk is twice the shorter length, how many feet are the children saving by cutting across the lawn? Round to the nearest foot if necessary.
A. 40 ft B. 13 ft C. 17 ft D. 10 ft
Find the quotient. If the quotient is a repeating decimal, write the answer with a bar over the repeating digit or digits.3.12 ÷ 1.2
A. 0.26 B. 3.6 C. 26 D. 2.6
Establish the identity.
= cot 
What will be an ideal response?
Four accounting majors, two economics majors, and three marketing majors have interviewed for five different positions with a large company. Use the following information to find the number of different ways that five of these could be hired.Instead of five positions, the company has decided that only three different positions, with no restriction on the college majors, must be filled.
A. 504 ways B. 24 ways C. 2520 ways D. 6 ways