Answer:
Step-by-step explanation:
slope = y₂-y₁/x₂-x₁

1-7 = -6. Here if two numbers have different sign, then subtract and put the bigger numbers sign for the result.
Answer:
43
Step-by-step explanation:
Order of Operations first
30 - 9 / 3 + 8 x 2
30 - 3 + 16
27+16
43
Answer:
Right angle is 90 degrees, belowe 90 degrees is acute, and above 90 degrees is obtuse
Step-by-step explanation:
Right angle = 90degrees
Acute angle = <90degrees
Obtuse angle = >90degrees