Tom buys a torch and a battery. The torch costs eight times as much as the battery.
Tom pays with a £5 note and gets £1.49 change.
How much does the battery cost?

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Math it's appreciated. (picture provided)

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0