Write a recursive rule and an explicit rule for 7,5,3,1,-1

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?