Answer: if I'm not wrong I think the answer Is A
Answer:
Explanation:
Mark adds 11 to it, then doubles it and gets an answer of 40.5. What was the original number? 2 ( 8.6 + 11). Evaluating the line above gives 39.2 which is not 40.5 which is required but nevertheless the steps above show how to solve the problem you were given.
Answer:
1.51 Seconds is the answer
Y^2+2y+1=49. That’s the next answer