HELP PLS
Solve for x.
3x^2 - 54x + 243 = 0

x= ?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Select the two pairs of figures that are similar.

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