Answer:
$308
Step-by-step explanation:
First, you have to find out how much it costs per pound, so you would divide 231 by 21. each pound of potatoes costs $11. so 11 x 28 would make it $308.
The most logical answer is C, if you multiply the hours by the wages and then subtract the expenses you will reach C.
Answer: 
Step-by-step explanation:
We know that the general form of the exponential decay formula is
, where y is final amount remaining after t time, A is the original amount and r is the rate of decay
Now, the ratio of strontium-90 remaining, p , as a function of years, t , since the nuclear accident. 
Hence, the ratio of remaining since the nuclear accident is
This is not true.
where is 
is any integer. So suppose we pick some value of 
other than these, say 
. Then
No estoy segura e -2 ao quadrado esa es toda la pregunta
