Which expression is equivalent to the given expression? (4m^2n)^2/2m^5n

A. 4m^-1n
B. 4m^9n^3
C. 8m^9n^3
D. 8m^-1n

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

In the diagram below, abc is congruent to dec what is the value of x

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers