Show me the step on how to do this. i know the answer but how do you get it.
a rectangular garden with a 4-feet wide cement sidewalk is shown. the cement for the sidewalk is 1 foot deep.
what volume of cement is needed for the sidewalk?
a) 96 cubic feet
b) 120 cubic feet
c) 192 cubic feet
d) 240 cubic feet

Which of the following is the correct equation for this function? a. y= (x+4)(x+2) b. y=x^2+ 3x – 2 c. y+ 2 = – 2(x+3)^2 d. y+ 2 = 2(x+3)^2

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Needmax 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.