What is the equation of the tread line?

y=0.5x+25
y=0.25x+0.25
y=0.05x+0.25

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?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Which of the following shows the graph of y=2e^x?