Solve the simultaneous equations

y – x = 3
y = 7x

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

What is the reflection image of (5,-3) across the line y = -x?