Bailey's rectangular dog pen for his irish setter must have an area of 400 square feet. also, the length must be 20 feet longer than the width. find the dimensions of the pen.

1. are the triangles similar and if so why? what is the value of x? show your work.

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base