Ivy deposited some money into a savings account that earns 1% annual simple interest. At the end of 5 years, she earned $32.50 in
interest. How much money did she put into the account initially?
Round to the nearest dollar.

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

What is the result of adding the system of equations? 2x+y=4 3x-y=6