You are dealt one card from a 52-card deck. find the probability that you are dealt a spade or a non-picture card.

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?