William uses wood boards to make bookshelves. william has 12 feet of wood. he uses 1/3 foot of wood to make each shelf. what is the total number of shelves william makes with 12 feet of wood?

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.