It's in the screenshot below

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

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?