If i have 2 dollars and my friend has 3 dollars, how many dollars do we have all together

5 Dollars

Step-by-step explanation:

You - 2 dollars

Friend - 3 dollars

2 + 3

= 5

- I . A -

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm

you have to find the same variables -3n - 5n so this would be -3n +(-5n) which equals -9n