Write an expression to match the words " three times the sum of 8 and 4".

"Three times the sum of 8 and 4":

Explanation:

In the question we have asked that what will be the mathematical expression for the " three times the sum of 8 and 4".

We have asked with 'Three times the sum of 8 and 4' which means that adding the sum of number '8' and number '4' by three times.

We can write 'Three times the sum' mathematically as '3 '.

We can write 'sum of 8 and 4' mathematically as '

So the final expression comes out to be:

2/3

step-by-step explanation:

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).