Julie has picked 10× 3 silver three red three green and one orange she now has a 12% chance of picking which color

This is different from the first one can someone me

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?