What is the surface area of 4ft 4ft 4ft

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

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?