Find amplitude and midline of the function y=4cos(4)-5.
a) the midline is the line with equation
b) the amplitude is

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?

Adriveway is 40 yards long about how many meters long is it

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?