if you horizontally stretch the quadratic parent funtion, f(x)=x^2, by a factor of 5, what is the equation of the new function?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .