Question 3 i don't know how to do this or what the answer is

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?