Gretchen finished her first lap in the 200 m freestyle event in 28.78 seconds. she completed the second lap in 31.31 seconds. by how much did her time increase in the second lap?

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.