Step-by-step explanation:
y=107(vertically opposite angles)
x=180-107=73(angles on a straight line)
z=73(vertically opposite angles)
If you are looking for the sales tax then you take 89.75 times .075 this will give you 6.73 now you just add 6.73 to 89.75 and you get..
sales tax = $96.48
but if you are looking for the %off you are going to do 89.75 minus 6.73 and you will get....
%off= $83.02
Answer: R=8
Step-by-step explanation: R-7=1, R+7=1+7, R=8.
