A pyramid 6 yd tall with a right triangle for a base with side length s 3yd, 4yd, and 5yd.

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)