Solve for x and y: x + 3y = 7; 2x + y = 10
a.
b.
c.
d.
e.
e.
Mathematics
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Find the work done by F over the curve in the direction of increasing t.F = - 
i + 
j + 
k; C: r(t) = 
i + 
j + 7tk, 0 ? t ? 
A. W = 
+ 
?2
B. W = 
+ 
?2
C. W = 
+ 
?2
D. W = 
+ 
?2
Mathematics
Answer the question.Which number is larger?
A. 0.9669 B. 0.9665
Mathematics
Solve the problem.The stadium vending company finds that sales of hot dogs average 45,000 hot dogs per game when the hot dogs sell for $2.50 each. For each 50 cent increase in the price, the sales per game drop by 5000 hot dogs. What price per hot dog should the vending company charge to realize the maximum revenue?
A. $4.50 B. $3.50 C. $3.75 D. $2.00
Mathematics
Write < or > between the pair of numbers to make the statement true.0 ? -9
A. < B. >
Mathematics