Answer:

Step-by-step explanation:
First, make A equal one by factoring out the greatest common factor, 6. This makes the new expression
. Then, factor the remaining polynomial by finding two numbers that multiply to -90 and add to 1. These two numbers are -10 and 9. So, add each term to x and then multiply to get the final answer,
.
Answer:
Step-by-step explanation:
maybe 8 or 1/9
Angie can make 50 groups of cookies and brownies.
Answer:
Angle Addition Postulate
Step-by-step explanation:
Given:

Prove:

Proof:
1.
- Angle Addition Postulate
2.
- given
3.
- given
4.
- Substitution Property of Equality
5.
- Simplify