Answer: a
Step-by-step explanation: look at the chart
Hope this helps :)
Photo attached.
Answer:
15
Step-by-step explanation:
5÷1+3+7
PEMDAS
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
5÷1= 5, then 5+3=8, then 8+7= 15
72
you just multiply
131 is the answer