Answer:
Ok so T=time so a b and c would be 300 -10(a or b or c)
Step-by-step explanation:
Answer:
The independent variable is the number of minutes spent typing. The dependent variable is the number of words typed
Step-by-step explanation:
Answer:
one solution: (-1,1)
Step-by-step explanation:
we have
----> equation A
----> equation B
Solve the system by substitution
Substitute equation A in equation B

solve for x




<em>Find the value of y</em>
----> 
The solution is the point (-1,1)
therefore
one solution: (-1,1)
It is not negative or positive because 0 is neither so basically 0 is natural