Solve the problem.Jill would like to make a purchase at a clothing store. The charges for the items that she has selected are shown below. If she has $80, does she have enough? If not, then how much more does she need?
A. Yes
B. No; $7.42
C. No; $6.21
D. No; $0.05
Answer: B
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Find the flux of the curl of field F through the shell S.F = exi + eyj + 4xyk; S is the portion of the paraboloid 1 - x2 - y2 = z that lies above the 
A. 4 B. -4 C. 0 D. -4?
Determine the value of the variable so that the equality is a proportion.
= 
A. 6 B. 10 C. 2.5 D. 5
Solve the problem.A small farm field is a square measuring 290 ft. on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?
A. 1160 ft., 2320 ft. B. 580 ft., 2320 ft. C. 580 ft., 1160 ft. D. 290 ft., 1160 ft.
Solve the problem.The function 
gives the pressure, in atmospheres (atm), at a depth d feet in the sea. Find and interpret P(47). Do not round your answer.
A. 
; At a depth of 47 feet, the pressure is 
atm.
B. 
; At a depth of 
feet, the pressure is 47 atm.
C. 
; At a depth of 47 feet, the pressure is 
atm.
D. 
; At a depth of 
feet, the pressure is 47 atm.