Is this from khan academy?
Answer:
35 degrees.
Step-by-step explanation:
It's a reflective sideway triangle.
Answer:
B
Step-by-step explanation:
You need the equation to equal 0
4x²-5=3x+4 Subtract 4 and 3x from both sides
4x²-5-4-3x
4x²-3x-9
a=4 b=-3 c=-9
(-b±√(b²-4ac))/2a
(-(-3)±√-3²-4(4)(-9)) / (2(4)
