Answer:
x= (5±√29)÷2
Step-by-step explanation:
Quadratic formula:
x= (-b±√b²-4ac)÷2a
Answer:
125 miles
Step-by-step explanation:
1) 675-425 = 250
2) 250/2 = 125
3) 125 miles before she needs to stop
34/85%=34/0.85=40
So that's your answer.
Answer:

Step-by-step explanation:
1) The other curve is
then the common points of both curves are x-intercepts, the roots of 

2). Then those intersection points are the upper and the lower limits. Plugging in to this formula for they belong to the interval [-1,1]:


Answer:
80%
Step-by-step explanation:
100/5*4