Simplify the expression by using the order of operations.51 - (18 - 11)
A. 33
B. 22
C. 7
D. 44
Answer: D
Mathematics
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Find the average value of the function f over the given region.f(x, y) = e2x; R = 
A. 
B. e - 1
C. 2e - 1
D. 
Mathematics
Solve.How long will it take for the population of a certain country to triple if its annual growth rate is 5%? (Round to the nearest year.)
A. 60 years B. 22 years C. 1 year D. 10 years
Mathematics
Solve the problem.Raleigh has a total of 67 coins, all of which are either dimes or nickels. The total value of the coins is $5.50. Find the number of each type of coin.
A. 26 nickels; 41 dimes B. 24 nickels; 43 dimes C. 43 nickels; 24 dimes D. 29 nickels; 38 dimes
Mathematics
Work the chain multiplication.4 ? 3 ? 0
A. 7 B. 1 C. 0 D. 12
Mathematics