Two angles are conplementary. the smaller is 25 less than the larger. what is the larger angle

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

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup