Somebody please help me help me on this it’s GEOMETRY it is URGENT please DO NOT waste my answers

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64