Answer:
c
Step-by-step explanation:
21×43
=(20+1)×(40+3)
=800+40+60+3
Answer:
C) y=-1/4x
Explanation:
Answer:
27y + 18z
Step-by-step explanation:
9(3y+2z)
Distribute the 9
9 * 3y + 9* 2z
27y + 18z
7*m==420
7m=420 (divide by 7 on both times)
m=60
hope that helps!