Aman buys 3 chicken sandwiches at $2.75 each and 2 cokes at $1.19 and the tax is $0.64. he gives you $11.52. how much change should you give him back?

What is the perimeter of square abcd? units units 28 units 37 units

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

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?