Three out of every 10 pairs of skis sold by snow sports are cross-country skis. snow sports sold 450 pairs of skis during the winter season. how many of the skis were likely to have been cross-country skis? a 443(b) 135(c) 45d 30

Determine whether the angles in each given pair are coterminal. 744°, -336°

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza