Girl Scouts sell cookies for $3 each. They are saving up to buy new tents for $378. Write and
solve an equation to determine how many
boxes they need to sell to buy the tents.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

How are algebraic expressions evaluated using substitution?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)