Q1: The perimeter of the triangle is a + b + c and if each side is the same then it's 3a. In this situation we may write it in its simplest form as 9m. Note that 3(3m) is also correct but it's not the simplest form.
Q2: You're correct, the distributive property of 3(3m) can be written as 3 (2m + m).
Answer:
The answers are as follows:
5. c
6. b
7. not sure, sorry
8. b
Step-by-step explanation:
Find out how old her dad was when Cindy was born by subtracting 2 from 28. Her dad was 26 when she was born. If Cindy is 18 then her dad is 26 years older than that. 18+26=dads age. Dads age is 44.
Answer:
Period is time between the two peaks.
Period = 4.114 - 1.870
Period = 2.244 seconds
Step-by-step explanation:
