You are dealt one card from a 52-card deck. Calculate the probability of and odds for being dealt a two or a spade.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

Alocal hamburger shop sold a combined total of 601 hamburgers and cheeseburgers on friday. there were 51 more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday? a local hamburger shop sold a combined total of hamburgers and cheeseburgers on friday. there were more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday?

Shirley spelled 12 of her 15 spelling words correctly on the test. what percentage did shirley get on the test?