1. y+5=-x-5
2. y=-x-5-5
3.y=-x-10
4. y=x-10
_______________________
1. distribute negative sign
2. move the constant to the right and change the sign
3. -5-5 equals -10, bring everything down
4. change the sign of the x to positive, the equation is in standard form
Answer:

Step-by-step explanation:
To find the
we must use the cosine theorem.
The cosine theorem says that:

In this case:



So




Answer:
2/3 =8/12
Step-by-step explanation:
2/3
Multiply the top and bottom by 4 to get a denominator of 12
2/3 *4/4
8/12
2/3 =8/12