Solve the problem.The data below represent the average monthly cost of natural gas in an Oregon home. 
Above is the graph of 47.35 sin x. Make a scatter diagram of the data. Find the sinusoidal function of the form 
which fits the data.
What will be an ideal response?
y = 47.35 sin (
x - 
) + 66.25
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Calculate, accurate to four decimal places.
A. 0.2332 B. 0.3057 C. 0.3660 D. 0.2308
Solve the problem.A painter needs to cover a triangular region 60 meters by 67 meters by 72 meters. A can of paint covers 70 square meters. How many cans will be needed?
A. 3 cans B. 14 cans C. 308 cans D. 27 cans
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 - 2x + 2y - 6 = 0
A. a. center = (1, -1); radius = 2
b. (1 + 
, 0), (1 - 
, 0), (0, -1 + 
), (0, -1 - 
)
B. a. center = (-1, -1); radius = 2
b. (1 + 
, 0), (0, -1 + 
)
C. a. center = (-1, 1); radius = 8
b. (1 + 
, 0), (0, -1 + 
)
D. a. center = (1, -1); radius = 2
b. (-1 + 
, 0), (-1 - 
, 0), (0, 1 + 
), (0, 1 - 
)
Divide.20 ÷ (-5)
A. -4 B. 4 C. -5 D. 5