I need to match each one to each other

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! : )

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?