The answer is 35 because 20-10=10 then 25+10=35 so niki made 35 points on her final round
Answer:
I believe its x + 2
Step-by-step explanation: hope this helped !
Dont know the firat question but the propability is 43 out of 100 percent
Problem: 2/7 (4+c)=6
1. 7/2 x 2/7 x (4+c)=7/2 x 6
2. 4+c=7 x 3
3. 4+c=21
4. c=21-4
Answer: c=17