Answer:

Step-by-step explanation:

A machine can print 30 t-shirts in 1 min., because the ratio of time to shirts is 300 shirts per 10 mins and 30 per 1 is 1/10 of that.
Answer:
A: The concept pi (π) in a geometry class
Step-by-step explanation:
Cognitive tools are tools that help to engage and facilitate cognitive processing and learning. Like language is a cognitive tool.
Here, the following is the best example of a cognitive tool
A: The concept pi (π) in a geometry class
Depends on how many sided dice if 10
there is a 2 it 20 chance