This is a factorial sequence that can be modeled by An = n!. As you may see, the increasing numbers are factorials of 1,2,3,4, and 5. Factorial means multiplying backwards and is represented by !. For example, 1! is 1*1 =1. 2! is 2*1, 3! is 3*2*1, 4! is 4*3*2*1 etc.
Ok, let's find how much does 1 yard of ribbon cost. Let's divide!

Each yard costs $1.50, so let's multiply that by 10

Marci will pay $15 for 10 yards of the ribbon.
Answer:
The expression of ideas or feelings is the showing of them through words, actions, or artistic activities. ... Your expression is the way that your face looks at a particular moment. It shows what you are thinking or feeling. Levin sat there, an expression of sadness on his face.
Step-by-step explanation:
Answer:
Step-by-step explanation: