Add or subtract. Express the answer as a mixed number.3
+ 17
A. 21
B. 19
C. 20
D. 3
Answer: C
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Multiply.
? 
A. 
B. 1
C. 
D. 
Solve the problem.John owns a hotdog stand. His profit is represented by the equation 
with P being profits and x the number of hotdogs. What is the most he can earn?
A. $36 B. $77 C. $83 D. $65
Let x represent one number and let y represent the other number. Use the given conditions to write a system of equations. Solve the system and find the numbers.One number is 1 less than a second number. Twice the second number is 19 less than 5 times the first. Find the two numbers.
A. 6 and 7 B. -8 and -7 C. 8 and 9 D. 7 and 8
Calculate the flow in the field F along the path C.F = (x - y)i - (x2 + y2)j; C is curve from (4, 0) to (-4, 0) on the upper half of the circle x2 + y2 = 16
A. - 8?
B. 8?
C. 16?
D. 