Answer is A
if x+y=5
y= -x+5
2x + (-x+5) =-2
2x -x +5 = -2
x+5 = -2
x=-7
Answer:
1. 15.4
2. 9.66
3. 13.16
4. 12.32
Step-by-step explanation:
Answer:
The grade for path a is 257.1428571%
The grade for path b is 213.5%
Step-by-step explanation:
To find the grade of a slope, you take the rise over run then you multiply by 100.
50 weeks is the age predicted by the best-fit line
