X= -b⁺₋ √b²-4ac/2a
x= (-(-2)⁺₋√(-2)²- 4(4)(-5))/2(4)
x= 4 ⁺₋√4+80/8
x= (4⁺₋ 9.165)/8
x= 4+9.165)/8 or x= 4-9.165)/8
x= 1.40 or x= -0.896
Answer: 12.35 miles
3.5+2.75+6.1=12.35
I hope this is good enough:
Exact form 81/4 Decimal form 20.25 Mixed number form 20 1/4
Well you see here, you need to take attest pre-calculus to answer this question. I am in 6th grade.