The cost of 3 rackets and 2 squash balls is £26.57. The cost of 5 rackets and 7 squash balls is £52.90.
Work out the cost of
a) a squash ball.
b) a racket

PLEASE HELP ME URGENT

When turned about its axis of rotation, which shape could have created this three-dimensional object?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?