Answer:
4
Step-by-step explanation:
7
the perimeter of rectangle=the perimeter of square=2(8+6)=28
so, the side of the square=28/4=7
5 pounds
28
21^2+28^2=35^2
D. 120 × ⅕
120 computers ÷ 5 classrooms
120 ÷ 5 = 120 × ⅕
4+-2