Answer: -3
Step-by-step explanation: m= -5-7/2+2=-12/4=-3
M=-3
Serena will get $13.00 in change from the 20 dollar bill.
Answer:
angle AOD + 170=180 (sum of angles on a straight line)
angle AOD=180-170
angle AOD=10
Angle BOC(4x)+ 170= 180 (sum of angles on a straight line )
angle BOC(4x) =180-170
4x=10
4x/4=10/4
x=2.5
The value of y=29
the value of x=61
