Rylan placed $1,200 in a retirement account. Seven years later, it had earned $546 in interest. Find the interest rate.

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

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?

Charlie tosses five coins.what is the probability that all five coins will land tails up.