Elle is 6 years younger than felicia. marta is twice as old as felicia. if marta is w years old, a) find the age difference between marta and elle. b) write an expression that shows the three girls' average age. show how you found the answers.

a) 0.5w-6 b) (w/2-6+w/2+w)/3 simplified version 2w/3-2

Step-by-step explanation:

m-w

f-w/2

e-w/2-6

average is all numbers added divided by the number of numbers

in this case there are 3 different numbers

i can't read the graph

step-by-step explanation:

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d