Answer:
.3%, 21/7000=.003
Step-by-step explanation:
to make it by percent you multipy by 100
=4xy−4y2+16x−16y
(2x−2y)(2y+8)
=(2x+−2y)(2y+8)
=(2x)(2y)+(2x)(8)+(−2y)(2y)+(−2y)(8)
=4xy+16x−4y2−16y
43
Partial quotient (not shown)
258÷6=42
