Simplify the expression 8(w-4)

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

What is 1/2 x (6 x 4)+3 + 2 show your work

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?