Which systems have infinite solutions? check all that apply.
y = 0.5x + 2.75 and 2y = x + 2.75
y = 0.5x + 2.75 and y – 0.5x = 2.75
y = 0.5x + 2.75 and 0.5x + y = 2.75
y = 0.5x + 2.75 and y = 0.5(x + 5.5)
y = 0.5x + 2.75 and y = –2(–0.25x )+ 2.75

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?

What is always true when two whole numbers are subtracted?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?