Solve the problem.A circular pond is being installed in the corner of a yard, as shown. The installer needs to know the value of x in feet. Find x to the nearest tenth of a foot. 
?a = 41 ft
A. 57.9 ft
B. 58.3 ft
C. 57.6 ft
D. 58.5 ft
Answer: A
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Solve the problem.If the curve z = x2 in the xz-plane is revolved about the z-axis, the resulting surface has equation z = x2 + y2, obtained as a result of replacing x by 
. If y = 6x2 in the xy-plane is revolved about the y-axis, what is the equation of the resulting surface?
A. y = 6x2 - 6z2 B. y = 6x2 + 6y2 C. y = 6x2 + 6z2 D. y = x2 + z2
Solve.A town has a population of 10,000 people and is increasing by 10% every year. What will the population be at the end of 6 years?
A. 7716 B. 16,000 C. 17,716 D. 16,105
Find the intercepts and then graph the line.3x + y = -6
A. x-intercept: (-2, 0); y-intercept: (0, -6)
B. x-intercept: (-2, 0); y-intercept: (0, 6)
C. x-intercept: (2, 0); y-intercept: (0, -6)
D. x-intercept: (2, 0); y-intercept: (0, 6)
Solve by graphing.During the month of January 1997, the depth of snow y (in inches) at the base of one ski resort could be approximated by the linear equation 
where x is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 30th. 
A. 12 inches B. 7 inches C. 37 inches D. 15 inches