420 cents for 1000 g. So 42 cents for 100 g (i crossed multiplied).
%profit=63-42/42 *100=50%
Answer:
y: 139 x: 139 too
Step-by-step explanation:
Answer:
r³ + 15r² - 10r - 4
Step-by-step explanation:
First, note you can remove the brackets, in this case they contribute nothing at all.
Then, group the like terms and add them, e.g., we have 3r³ and -2r², they add up to r³.
Finally, order them from greatest power of r to smallest power of r.
That's all!
Absolute value of -1/3 is 1/3
1a. True
1b. False
1c. False
1d.true
1e.false
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