x - 9 -9x -x
----- ( ----- ) = ------ = ------
108 4 432 48
it's 8=8 meaning it is always true, and infinity.
Answer:
option D
Step-by-step explanation:
take 39 degree as reference angle
using cos rule
cos 39 = adjacent / hypotenuse
0.77 = x / 7
x = 7*0.77
x = 5.39
x = 5.4
10x(3x^2)
15x^2(2x)
5x(6x^2)