Evaluate the factorial expression.
A. 720
B. 3
C. 84
D. 168
Answer: C
Mathematics
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Use the Binomial Theorem to expand the binomial.(
+ 
)4
A. x2 + 4
x3/2 + 36x + 24
x1/2 + 36
B. x2 + 4
x1/2 + 36x + 24
x1/2 + 1296
C. x2 + 2
x3/2 + 18x + 12
x1/2 + 36
D. x2 + 36
Mathematics
Perform the indicated operation. 
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A drippy faucet wastes 64 oz of water a day. If there are 38 million such drippy faucets, how much water, in gallons, is wasted in a day?
A. 2432 gal/day B. 76,000,000 gal/day C. 38,000,000 gal/day D. 19,000,000 gal/day
Mathematics
Solve the problem.Roberto invested some money at 7%, and then invested $3000 more than twice this amount at 12%. His total annual income from the two investments was $4390. How much was invested at 12%?
A. $9000 B. $26,000 C. $2900 D. $29,000
Mathematics