10. The figure shows a metal cylinder of base radius 4 cm and height 6 cm. 10 such cylinders are melted and recast into a bigger metal cylinder of
height 15 cm.
(a) Find the base radius of the bigger metal cylinder.
(b) Amy claims that the total surface area has decreased by 432pie cm?
after the recast. Do you agree? Explain your answer.

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

If you apply the below transformations to the square root parent function, f(x) = vx, what is the equation of the new function? • shift 12 units right. • shift seven units down.

Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.