Express each ratio to the lowest term 3:18, 8:10, 6:15, 9:12, 4:12?​

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.

Y=21.95x+10 y=22.45x solve by substitution

Jonathas wants to get a cell phone. the phone costs $59 and the plan costs $39 per month.