Perlia paid for a dinner and left 20%, or $5.80, in tips. How much was the original bill (without counting the tip)?

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

The function models the number of accidents per 50 million miles driven as a function

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.