?There are five boys and five girls at a party. In how many ways can they be seated in a row of six?
?
A. ?720
B. ?5
C. ?151,200
D. ?210
E. ?120
Answer: C
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Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Four out of 10 adults in a certain city buy their prescription drugs at large drug stores. If this city has 34,000 adults, how many of these adults would you expect to buy their prescription drugs at large drug stores?
A. 850 adults B. 8500 adults C. 13,600 adults D. 1360 adults
Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.a2x + b2y = b2ax + by = a
A. 
B. 
C. 
D. 
Solve the problem.Technology matrix A, representing interindustry demand, and matrix D, representing consumer demand for the sectors in a three-sector economy, are given. Use the matrix equation 
to find the production level X that will satisfy both demands.A = 
, D = 
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Nancy does her taxes herself. She filled out this portion of Schedule A below to deduct her mortgage interest of $7,310, her real estate taxes of $3,988, and her state income taxes of $4,080. What error did Nancy make? 
What will be an ideal response?