Sue bought 3 packages of cookies and 2 sacks of potato chips for $3.63. Later she bought 5 more packages of cookies and 3 additional sacks of potato chips for $5.87. Find the price of a package of cookies.
A. A package of cookies cost $0.85.
B. A package of cookies cost $0.52.
C. A package of cookies cost $0.54.
D. A package of cookies cost $0.84.
E. A package of cookies cost $0.83.
Answer: A
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = sin 6yi + cos 10xj ; C is the rectangle with vertices at (0, 0), 
, 
, and 
A. - 
?
B. 0
C. 
?
D. - 
?
Round the number as indicated.308 to the nearest ten
A. 320 B. 410 C. 300 D. 310
Solve the problem.If friction is ignored, the time t (in seconds) required for a block to slide down an inclined plane is given by the formula t = 
where a is the length (in feet) of the base and g ? 32 feet per second per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with base a = 12 when 
If necessary, round the answer to the nearest tenth of a second.
A. 0.3 sec B. 1.5 sec C. 1.3 sec D. 1.2 sec
Solve the problem.An area is to be fenced as shown in the figure. Only 200 feet of fencing is available. The fenced-in area is 
or A = x(100 - x) = -x2 + 100x.
i)Graph A = -x2 + 100x (using your graphing calculator)ii) Using the graph, estimate the value of x that will yield the maximum area.iii) Find the maximum area.
A.
| ii) | x = 48 ft |
B.
| ii) | x = 100 ft |
C.
| ii) | x = 25 ft |
D.
| ii) | x = 50 ft |