Evaluate the expression for the given values of the variables, if possible.-xy
x = -9, y = -12
A. -208
B. -120
C. -108
D. -1080
Answer: C
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The following table shows the earnings for the Juarez family last year. Solve the problem.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400If 
of the family's total income was spent on clothing, how much was spent for clothing last year?
A. $251.50 B. $240 C. $270 D. $290
Solve the problem.A room in the shape of a triangle has sides of length 6 yd, 9 yd, and 13 yd. If carpeting costs $14.50 a square yard and padding costs $5.25 a square yard, how much to the nearest dollar will it cost to carpet the room, assuming that there is no waste?
A. $456 B. $450 C. $343 D. $467
Find the least common multiple (LCM) of the list of numbers.7, 14, 21, 36
A. 252 B. 259 C. 280 D. 112
?Determine whether 
is a solution of the differential equation 
.
?
A. ?
and 
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B. 
and 
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C. 
and 
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D. ??
and 
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E. ??
and 
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