The answer is B. In 10 hours, the phone would completely lose its charge.
Y=-10(10)+100=-100+100=0
My answer is use a map app like Photomath
If we have n angle the formula for the sum of internal angles is:
sum = 180*(n-2)
in this case n=10,
so the answer will be 180 * 10 = 1800
Since there is an addition symbol in the middle all you need to do is combine like terms/add. Your final answer should be:
p= 5s+5