Answer:
B. 259
Step-by-step explanation:
This is an exercise in PEMDAS, the order of mathematical operations:
Parentheses, Exponents, Multiplication and Division, Addition and Subtraction
Parentheses: [(18 − 6)⋅3 + 1]⋅7
Subtraction: = [(12)·3 +1]·7
Multiplication: = [36 + 1]·7
Addition: = [37]·7
Parentheses: = 37·7
Multiplication: = 259
