A Circle has diameter 18cm. Work out the circumference of the circle.​

Note: enter your answer and show all the steps that you use to solve this problem in the space provided. x − 2 − 1 0 1 2 y use the function rule to complete the table. − 10 x + y = 4

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

The sum of two numbers is 86, and their difference is 20. find the two numbers