Answer:
6= 66.67%
7=25%
8=70%
28 and a=lenth times width
Step-by-step
mutiply 7 time 4 and it is 28
Step-by-step explanation:
1 x 64, 2 x 32, 4 x 16, and 8 x 8 which is basbasically the first answer I am not explaexplaining why