The tables show the location of four cities relative to sea level. Which city is closest to sea level

A -0.25
B 7/4
C -3/2
D 0.5

Please help!!! I will mark brainless if you answer soon :)

The square root of 9x plus 7 plus the square rot of 2x equall to 7

The deepest part of the swimming pool is 12 feet deep.the shallowest part of the pool is 3 feet deep.what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?

90.0% complete a b c d e confirm last week, your delivery runs took 7 hours 12 minutes on monday, 6 hours 46 minutes on wednesday, and 6 hours 53 minutes on friday. what was your average time for a delivery run?