Answer:
the cost of 1 pen would be 1.25
Step-by-step explanation:
i have the graph right in front of me.
25 minutes
I hope that helped
Answer: -27
Step-by-step explanation: -17+2(-5)
2(-5)= -10
-10 + -17 = -27
Answer:
In an observational study, we measure or survey members of a sample without trying to affect them. In a controlled experiment, we assign people or things to groups and apply some treatment to one of the groups, while the other group does not receive the treatment.
hope it helps :)
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