18 necklaces made in 3 hours
2 answers:
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Answer:
A. add -15 and 9
Step-by-step explanation:
We follow the PEMDAS rule as the order of operations to evaluate expressions.
P-Parenthesis
E-Exponents
M-Multiplication
D-Division
A-Addition
S-Subtraction
Given expression :
In order to evaluate the expression, the first step would be to do the parenthesis operations which requires to add -15 and 9.