Determine whether or not the triangle with the given side lengths is a right triangle. 51 feet, 14 feet, 49 feet

Don't forget to explain your reasonings

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

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?