In an all boys school, the heights of the student body are normally distributed with a mean of 68 inches and a standard deviation of 4.5
inches. Using the empirical rule, what percentage of the boys are
between 54.5 and 81.5 inches tall?

The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?

How to solve a simultaneous equation involved with fractions?

What other information do you need to prove triangle dac=bca by asa