Evaluate.-11 + 40 ÷ (-4)
A. -7
B. 21
C. 7
D. -21
Answer: D
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves about the given lines.
,
y = 4,
x = 2; revolve about the line 
A. 
?
B. 
?
C. 
?
D. 
?
New telephone lines must be installed to connect 9 cities (A, B, C, D, E, F, G, H and J). Due to government regulations, the only possible connections that are allowed are shown by the edges on the network below. The numbers on the edges indicate the cost (in millions of dollars) of each possible connection. The telephone company wishes to connect the cities in the cheapest possible way.
In an optimal solution to this problem there will not be a direct connection between
A. E and F. B. B and C. C. E and H. D. C and J. E. all of these will be directly connected.
Find the domain of the rational function.g(a) = 
A. {
a is any real number}
B. {
a ? 3, -3, -11}
C. {
a ? 3, -3}
D. {
a ? 3}
Provide an appropriate response.The volume of water in the lake is seven billion, eight hundred twenty-one million, ninety-four thousand, six hundred thirteen gallons. Write this whole number in standard form.
A. 7,821,940,613 B. 782,194,613 C. 7,000,821,094,613 D. 7,821,094,613