AN architect created the scale drawing below showing a wall of a child's playhouse. 1.25 in. height
3 in. width
Which of these was the scale used for the drawing if the actual height of the wall is 7 feet.
F. 1 in. = 1 ft.
G. 1/2 in. = 1 ft.
H. 2 in. = 12 ft.
I. 1/4 in. = 1 ft.

(hurry! ) which expression is equivalent to the following complex fraction?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?