Answer:
None of them are whole numbers. Whole numbers are numbers that don’t need fraction bars or decimals or roots.
The x value in the second equation (y+2) is substituted for the x in the first equation in...
Answer A.
Today’s UV index is = 8
Erin will burn in = 15 minutes
Since, its given"The time it takes to burn without sunscreen multiplied by the SPF, or sun protection factor, is the time you can stay in the sun safely with sunscreen"
= 
So, Erin will be protected for 375 minutes.