Answer:
192x^4+304x^3+36x^2−135x−54
Step-by-step explanation:
No real solutions....................
Answer:
x = 36
Step-by-step explanation:
the supplementary angle in the lower right corner is 180 - 150 = 30°.
sin 30 = 18/x
0.5 = 18/x
x = 36
Answer: 40%
Step-by-step explanation: all percents add to 100%, so 40%+20%=60%, and 100%-60%=40%