Solve.xy = 16x + y = 8
A. (1, 16)
B. (4, 4)
C. (5, 3)
D. (4, 6)
Answer: B
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Find the flux of the curl of field F through the shell S.F = (9 - y)i + (7 + x)j + z5k; S is the upper hemisphere of x2 + y2 + z2 = 25
A. 50? B. -4? C. 2? D. 100?
Simplify.
A. 1
B. 12
C. 
D. 
Find the indicated rate.Mara can type 580 words in 
hour (20 minutes). How many words per minute can she type?
A. 87 words/minute B. 10 words/minute C. 193 words/minute D. 29 words/minute
The following table shows the earnings for the Juarez family last year. Use this information to answer the question.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400What was the family's total income from January thru June?
A. $11,000 B. $9,200 C. $12,150 D. $13,000