A cinema has 100 seats if 90 people are inside what percentage of seats are taken

Annabel has 25 ounces of a 20% boric acid solution which she wishes to dilute to a 10% solution. How much water does she have to add in order to obtain the 10% solution?

Julia studies math for 3 and one third hours during the 4 days before her last test. What was the average amount of time she studied each day?

The width of a rectangle is 18 in less than its length. if the area of the rectangle is 1440 in^2, find the dimensions of the rectangle

A successful basketball player has a height of 6 feet 10 inches, or 208 cm. Based on statistics from a data set, his height converts to the z score of 4.81. How many standard deviations is his height above the mean?

Which of these have a 0 value? A. (3*4) * 1 B. 50 * 1 C. 3*4*0 D. (3*1) * 2

A candy bar takes an average of 3.4 hours to move through an assembly line. If the standard deviation is 0.5 hours, what is the probability that the candy bar will take between 3 and 4 hours to move through the line?. A:.2119 B:.2295 C:.6731 D:.

If r = 9 units and x = 5 units, then what is the volume of the cylinder

3 out of every 5 picks are orange. If 12 picks are orange, how many picks are there in all? 7 10 6 20

Subtract these fractions: 2/3 - 5/8

14T1,000 lb+2T1,000 lb