What is the average (arithmetic mean) of 4x+5,7x--6 and-8x+2?

the answer is the third / last answer

step-by-step explanation:

step-by-step explanation:

what are the statements? and what do you mean by "216 2 1 6"?

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c

explanation:

remove parenthesis:

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apply rule

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multiply fractions:

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divide:

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mordancy.