What value can be written on the blank line to make the expressions equivalent? 48 + 54 = ´ (8 + 9)

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

What is the difference between the equations of a vertical and a horizontal line?

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