Pls help I’ll brainlest ASAP

He is 18 years old.

Step-by-step explanation:

I hope this helps :)

Artaud is 15 years old

Step-by-step explanation:

Imagine Artaud is x yearrs old.

Now, turning the words in the problem into math equations, we get:

-x + 42 = 27.

Solving for x, we get:

-x = -15

x = 15.

So, Artaud is 15 years old.

step-by-step explanation:

if x = 2 you have to find x to finish the problem

by definition, an arc subtended by a central angle of some given measure has the same measure. so .