Tim count his friends fingers by fives. he counts the fingers on six hands. what number does he say?

For this case, the first thing we must do is define variables.

We have then:

x: number of hands

y: number of fingers

We have then that the equation that models the problem is given by:

For 6 hands we have:

The number of fingers that Tim should say is 30

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

the answer is  

a.

4,624π mm2

step-by-step explanation: