Which equation has no solution? O 2(x + 1)
=
2.
O 2(x + 1)
2x + 2
O 2(x + 1) = 2x + 1
O 2 (2 + 1) = 1

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.

Hello, i need compare km^2 and km. what's difference in this?