If the sum of two numbers is 13 and their product is 42 determine the number​

Can you draw an isosceles triangle with only one 80 degree angle?

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?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.