Answer: either B. or C. ( at least i tried. )
I'm fairly sure they want you to cross multiply then graph. This will give you 'zeroes' which are solutions for x
if you graph (4x^3+3x^2)= z it'll give you a zero at -0.75 which means x= -3/4
Answer:
look at the picture i have sent
If it’s under 90 make a acute angle of it 90 make a right angle if it’s over 90 make a obtuse angle