If -3-6+7y=14, then what is the value of 4y+1

Yvaries directly as x. y =90 when x=6. find y when x=13

Breana is selling tickets to a choral performance. on the first day of ticket sales , she sold 3 senior citizen tickets and 1 child ticket for a total of $38. breana took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. what is the price of a senior citizen ticket?

Asap 25 pts + brainliest to right/best answer only answer if you know for sure