(2+3) Second power-16 divided by2

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

$5400 is? invested, part of it at 11? % and part of it at 8? %. for a certain? year, the total yield is ? $522.00. how much was invested at each? rate?

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?