Answer:
a and c
Step-by-step explanation:
a: when you divide 12:14 by 2 itll give you half of each number. that equals 6:7
c: when you multiply 12:14 by 2 itll give you twice the amount which is 24:28
Answer: 2
Step-by-step explanation:
16/9=1.7
=Approximately=2
Answer:
73.5
Step-by-step explanation:
To find the mean, sum the data and divide by the amount of data
mean = 
=
= 73.5
Answer:
Order of Operations was aught at a younger age for those just grasping the idea of multiplication and division. Exposing PEMDAS at a young age would confuse them too much, hence the order of operation groups, addition/subtraction and multiplication/division. So for the second example problem, PEMDAS would be correct because it does involve you to use parentheses as well as exponents to solve for. Very easy to mix up between order of operations and PEMDAS, but just look at it as if Order of operations is a beginner level of PEMDAS.
Step-by-step explanation: