Eric Reid 5 1/4 chapters in 4 1/2 hours. what is the unit rate in chapters per hour?
Write an answer as a fraction or mixed number in its simplest form

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay

Using elimination, what is -4x+2y=-12 4x+8y=-24

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