If an open box has a square base and a volume of 500 in.3 and is constructed from a tin sheet, find the dimensions of the box, assuming a minimum amount of material is used in its construction.
?
A. 
B. 
C. ?
D. ?
Answer: A
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Find the slope and the y-intercept of the line.-3x + 5y = -5
A. Slope -1
; y-intercept (0, -1)
B. Slope 1
; y-intercept (0, 1)
C. Slope 
; y-intercept (0, -1)
D. Slope - 
; y-intercept (0, 1)
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.5 log x + 2 log y
A. 7 log(xy) B. log(xy)7 C. 10 log(xy) D. log(x5y2)
Solve the problem.A domed ceiling is a parabolic surface. For the best lighting on the floor, a light source is to be placed at the focus of the surface. If 7 m down from the top of the dome the ceiling is 8 m wide, find the best location for the light source.
A. 2.3 m down from the top B. 1.8 m down from the top C. 1.2 m down from the top D. 0.6 m down from the top
Find an equation of the circle with the given center and radius.Center (0, -4), radius 
A. x2 + (y + 4)2 = 15 B. (x + 4)2 + y2 = 225 C. x2 + (y - 4)2 = 15 D. (x - 4)2 + y2 = 225