f(x) = mx + b
m = slope = -5
f(2) = 10 = (-5)(2) + b
b = 10 + 10 = 20
Ans. m=-5, b = 20
5x-4=16. I hope this helps :)
Answer:
- <em><u>Given </u></em><em><u>,</u></em>
student's age = x years.
- <em><u>Also </u></em><em><u>,</u></em>
Teacher's age = 2x + 6
- <em><u>And </u></em><em><u>,</u></em>
Principal's age = 3x + 10
------------------------------------------
Difference between ages ,

therefore ,
second option is the correct answer.
hope helpful ~
it's the fourth option
what you need to do is convert them all to a decimal and compare them to see which one applies :)
decimal form:
3.14, 2.70, 2.28