I don’t know... was it helpful?
Answer:
triangles and pentagons
2x+18
Step-by-step explanation:
We can start by distributing the 2 to each term in the parentheses...
2(x)+2(9)
Multiply
With mental math, you can perform equations quickly and efficiently. They also help you to develop your own strategies and solve more complex math equations. Hope this helps;)
