According to PEMDAS, the parentheses would go first.
3+1 = 2
42/2=21
Hope this helps!
Use the 2 points and use the formula

to get slope

and you get a slope of -2
for the second question its non of the above? i think the x intercept is 0.6666. if you're talking about y intercept then its -5
Answer:
2:3:5 is already in simplest form
Step-by-step explanation:
The supplement is 104 degrees. Hope this helps ☻