Answer:
d. 
Step-by-step explanation:


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Answer:
C.
Step-by-step explanation:
half of y = 1/2 *y
Difference between x and half of y
= x - 1/2 y
Answer:
11
Step-by-step explanation:
83 is a prime
24 = 2³x3
192 = 2⁶x3
256 = 2⁸
Answer:
Roberta earns $164.4 on an 8 hr shift.
Step-by-step explanation:
In one hour Roberta makes $9
So if she works for 8 hours she will be making
=> ( 9 X 8)$
=>72$
Also she earns a commission of 10.5% on selling a jewellery worth $880
So 10.5% of 880 is
=> 
=> 
=> 92.4
Hence Roberta will be earning a total amount of
(72+ 92.4)
=>$164.4