Find the errors and correct the following mathematical sentences.​

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?