Which of the following is an example of a fixed expense? a. loans c. school clothes b. school supplies d. all of the above

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

The area of a circle is equal to 1 dm². find the radius of the circle.

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test