The diagram shows three regular pentagons meeting at a point. Work out the size of the angle marked x.
You must show all your working.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer

Simplify using positive exponents only.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.