Answer:

Step-by-step explanation:
Point-slope form:
when the given point is
and the slope is 
Plug in the point (-10,4)

Two negatives make a positive

Plug in the slope

I hope this helps!
The coefficient for y is -5 in the first equation, +2 in the second equation, so the least common multiple is -10
Answer:
1.671:1
Step-by-step explanation:
80/7=11.99(9) or ~12
90/12= 7.177(7)
11.99(9)/7.177(7)=1.671
1.671:1
Answer:
56
Step-by-step explanation:
hope it helps