What is 108200000 in scientific notation

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

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

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?