A) is right
b) just subtract ljm and kjm so 145-48 = 92°
c) 9x-25=7x+7 so here you put npq=mpq+mpn and you combine terms so it's now 2x=32 then divide by 2 on both sides and x= 16
now you just plug it into 3x-5 and you get 43°
Answer: combining like terms
Step-by-step explanation:
Formula used: cos(x) = 
Hope this helped!
~Just a girl in love with Shawn Mendes
You might need to give out the choices, if there are any. thanks for asking.
<span>8+0.4+0.07+0.008 you basically separate the numbers starting with the largest working down to the smallest.
i hope i helped
</span>
