The perimeter of an equilateral octagon is 42 cm what's the length of each side

Convert 18/40 to a decimal

When x is decreased by 2, and then that number is divided by 2, the result is 2. What is the value of x?

Solve the system y = 2x + 6 and 3y = 6x + 18 by using graph paper or graphing technology. What is the solution to the system? (2,6) (3,6) No Solutions Infinite Solutions

Find f (2) and f (a+h) when f (x) = 3x^2+2x+4

A car traveling at an average rate of 55 km per hour made a trip in 6 hours. if it had traveled at an average rate of 50 km per hour, the trip would have taken how many minutes longer?

I do not understand how to simplify 5y-8x-y+12x

Four times a number is 21 more than the number

Which statement about residual plots is not true? A. if the residuals are randomly distributed, the model is probably reasonable B. The sum of the residuals is 0 C. The vertical axis shows residuals D.

Marcus is working at a local pizzeria where he makes $12.50 per hour and is also working at the university bookstore where he makes $9.50 per hour.

The net of a square pyramid is shown below. What are the possible areas for a single face in this net? Check all that apply. A net with a square base with sides lengths of 5 meters, and 4 triangles with heights of 6 meters.