Answer:
Discount
Step-by-step explanation:
A <u>discount</u> is a deduction from the original price of an item.
 
        
                    
             
        
        
        
Would it like.. not be C?? Im guessing its C (:
        
             
        
        
        
Hello there.
<span>Which numbers are necessary to solve this problem? 
Brian goes to the gym 3 times a week. He exercises for 45 minutes each visit. Fifteen of those minutes are spent on weights and the rest are spent on the treadmill. 
How much time does Brian spend on the treadmill in 4 weeks?
Answer: </span><span>3 times a week, 45 minutes, 15 minutes, 4 weeks
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Step-by-step explanation:
(x²-1)(x+1)≥0
As it has two multiples,
Therefore,
Either,
x²-1≥0
x²≥0+1
x²≥1
x≤√1
x≤1
Or,
x+1≥0
x≥-1