There are 23 animals in the field. some are cows and some are geese. there are 82 legs in all. how many of each animal are in the field?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

What is the lcm of 16 and 40 ? 24 and 40 ?