What is the format of this proof? given: ∠abc is a right angle. prove: ∠abd is a right angle. two-column proof two-paragraph proof flowchart proof one-paragraph proof

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?

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9

The area of each triangle is 7 square units. the surface area of the triangular prism is