What is the distance between (8,5) and (-1.-8)

5√10

Step-by-step explanation:

Let's join these two points so that they make a right triangle. The distance between these points will be the hypotenuse of the right triangle. The legs will be 8 - (-1) = 9 and 5 - (-8) = 13. Now, using the Pythagorean Theorem, we can find the hypotenuse. We have 9² + 13² = c² (c is the hypotenuse). When we solve for c, we get c = 5√10. Hope this helps!

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for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2