Answer:
yes verified
Step-by-step explanation:
2x-y+1=0
substitute
2(2)-5+1=(0?)
4-5+1=0
yes
123.94
Its an increase
30 to 90
I= 100 x (f-i)/i
I= 100 x 90-30/30
I= 100 x 2
200% increase
You didn't provided the answer choices, but the answer is he scored 22 points in total.
The right answer is 18.8333333... Or 18 7.5/9
