You invested $500 in a savings account at the end of the 6th grade. The account pays 4% annual interest.
Using A(t) = a(1+r)t write a function.
How much money will there be in your account at your high school graduation? Round the answer to 2
decimal places.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.