Answer:
21
Step-by-step explanation: because i said so
Answer: he washed 18 windows
Step-by-step explanation: count by 10
Step-by-step explanation:
4x+9y=28
-4x-y=-28
8y=0
divide both side by 8
y=0
solve for X in equation 1
4(X)-9(0)=28
4x-0=28
4x =28
divide both side by 4
4x/4=28/4
X= 7
y=0,x=7
Answer:
C
Step-by-step explanation:
The angle is the same so they would both be 60 degrees.
