9, 10, 11 and 12? Ignore the answers that are on the page already though, they’re wrong!

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9