Answer:
C.) The Republicans were using the McCarthy hearings for political gain.
I hope I helped! ^-^
2) -81t² +16
Step-by-step explanation:
(9t -4)(-9t -4) = (9t x -9t) + (9t x -4) + (-4 x -9t) + (-4 x -4)
= -81t² - 36t + 36t + 16
= -81t² + 16
it is D hope this helps
A u B = {3,5,6,7,8,11,12}
A = {3,6,7,11}
B = {3,5,7,8,12}
