Answer:
C and D
Step-by-step explanation:
(X-3)(X+7)=0
X-3=0 X+7=0
X=3 X=-7
1. 1.79
2.11.486
3.2.3562
4.61.4
5. 115.7226
( 이게 옳은 거니?)
(;ŏ﹏ŏ)
Answer: multiple the length vu the width
