Hey can you me posted picture of question

What is [tex] {7}^{98 + \sqrt{4} } - 3 \times (64 \div 2 + 4 - 36) \times a = a + 36[/tex]?

Ineed to know the answer to this algebra question.

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?