Answer:
90 degrees since its vertical angle
Yes b is 90 degree because it is vertically opposite angle
Yes, no, yes
Step-by-step explanation:
5
2
+
1
0
________________
day 1 5 day 2 8 day 3 2.5 day 4 10 day 5 10 altogether is 35.5
5+3=8
5/2=2.5
5*2=10
10+10+8+5+2.5=35.5
6 dollars
40-10=30
30/5= 6
