C - is a hypotenuse,
so we can use Pythagorean theorem.
c² =a² +b²
c² = 8²+12²=64 + 144 = 16*4 +16*9=16(4+9) =16*13
c²=16*13
c=√(16*13)=√16*√13=4√13
c=4√13
Answer C. 4√13
Answer:
$43.05
First, times 35 with 0.08, so we know how much is the tax.
Second, times 35 with 0.15, si we know how much tip Fernando paid.
Last, add 35 with tax with tip
Answer:
14
Step-by-step explanation:
(4+(16-1)/5)*2
(4+15/5)*2
(4+3)*2
7*2
14
I am sorry for my bad hand writing