The product of a number (a) increased by seventeen and three

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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?

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as