Answer:


Step-by-step explanation:
Given

Required
Select equivalent expression





Start by solving the given expression (using a calculator)

Then we solve the given options (using a calculator)










The equivalent expressions are (a) and (e)
Answer:
9r
Step-by-step explanation:
combine like terms in PEMDAS order. Add 4, 9, and 7, then, subtract 11.
It’s 2.042
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550+450-120+720=1,600
720/1,600*100%
=720/160%
=45%
therefore, 45% of new balance