Side length of square = 4.5 in
Perimeter of square=

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?