Finish the math, Jonny has 5 apples take 3 away, how many apples does he have? Jkjkjk Anyone up? I’m bored...

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

We just started the introduction into circles and i have no idea how to do this.