Answer:
Step-by-step explanation:
If either the numerator or a denominator in a fraction is negative, the slope if negative. However, if both the numerator and denominator are negative, it is positive.
Answer: 
Step-by-step explanation:

Once you take off the parenthesis, your sign should change from negative to positive.

The fractions now both have the same denominator. Thus, we can add the numerators.

Therefore, 
Answer:
d = 4
Step-by-step explanation:
The n th term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Given a₁ = - 2 and a₈ = 26 , then
- 2 + 7d = 26 ( add 2 to both sides (
7d = 28 ( divide both sides by 7 )
d = 4
36 30%
____ = _____
x 100%
Cross multiply and divide
x=120