Answer:

Step-by-step explanation:
The given expression is:

We expand the parenthesis using the distributive property to obtain;

Recall that;

We apply this property and multiply out the constant terms to obtain;

Answer:
The answer is the top option choice "both i and ii."
Step-by-step explanation:
Hopes this helps.
Answer:
C. 60°
Step-by-step explanation:
The angles in a triangle add up to 180°.
You are given 60° and 60°.
Add them
60 + 60 = 120
Subtract 120 from 180.
180 - 120 = 60°
B! because X can represent any number, and your number(unknown) will be shown as X and for it to be in between both -3 and 3 it has to be less than (shown as >) 3 or greater than (shown as <) -3.