Pls help with 1st and 3rd one ​

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!