Solve.A building has a length 16 feet longer than its width, and its area is 1305 square feet. Let x be the width of the building. Find a quadratic equation whose solution gives the width of the building, then solve this equation.
A. 13 ft
B. 58 ft
C. 45 ft
D. 29 ft
Answer: D
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Calculate the flux of F across G.F(x, y, z) = xzi + yzj + k; G is the cap cut from the sphere x2 + y2 + z2 = 9 by the plane 
A. 35?
B. - 
?
C. 
?
D. 
?
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
sin (csc-1 u)
A. 
B. u
C. 
D. 
Solve the system using the inverse matrix method.
A. x = 3, y = -1; (3, -1) B. x = -3, y = 1; (-3, 1) C. x = -1, y = 3; (-1, 3) D. x = 1, y = -3; (1, -3)