Ruth had 4 boxes of t-shirts. each box contained 18 t-shirts. she sold t of these on saturday and had 9 t-shirts left. the equation below can be used to find the # of t-shirts ruth sold on saturday.
4×18- t = 9
how many of these t-shirts did ruth sell on saturday?

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.

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

What is the value of the expression below? 148+(-6)| + |– 35= 7|