5+5+4+2= will give crown

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Simplify the expression 10/11(22z) + (a+5) -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?