Find the tenth term in the sequence that is defined as follows: an = 4 + (-1)^n

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Write the following as a base and exponent

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?