Help meh please I hate math -_-

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Consider the first four terms of the sequence below. what is the 8th term of this sequence?