The radius, i think, I'm not 100% sure what you're asking
Answer:
the third one down
Step-by-step explanation:
2x^3-42x-40=0
2x^3-42x=40
2x(x^2-21)=40
a. 2x=40=>x=20
b. x^2=21+40=>x^2=61=>x=+-(radical(61)
She counts 8 markers because 4/5 equals 8/10 and she counts the mile markers every 1/10 of a mile.
Answer:
The radicand is whatever is under the the radical, so in this case, your answer would be D. 3x-5
