Answer:

Step-by-step explanation:

Answer:
4\pm\sqrt{19}
Step-by-step explanation:
Move everything to left side

Now to solve this square equation we need to find Descriminant

As Descriminant D is greater than 0 then we have 2 solutions which we can calculate by this formula

Answer:
I think it 8k=24
Step-by-step explanation:
all absolute vale makes it a negative a positive
![\bf 10\cdot [2+(24-8)]\div 4\implies \stackrel{\mathbb{PEMDAS}}{10\cdot [2+(16)]\div 4}\implies 10\cdot [18]\div 4 \\\\\\ 180\div 4\implies 45](https://tex.z-dn.net/?f=%5Cbf%2010%5Ccdot%20%5B2%2B%2824-8%29%5D%5Cdiv%204%5Cimplies%20%5Cstackrel%7B%5Cmathbb%7BPEMDAS%7D%7D%7B10%5Ccdot%20%5B2%2B%2816%29%5D%5Cdiv%204%7D%5Cimplies%2010%5Ccdot%20%5B18%5D%5Cdiv%204%0A%5C%5C%5C%5C%5C%5C%0A180%5Cdiv%204%5Cimplies%2045)
recall, peMDas, Multiplication and Division, from left-to-right.
Answer:
25% off $60 = $15
15% off $60 = $9 - 10%= $0.90
Step-by-step explanation:
$60 divided by 4= 25 x 4 = 100 is the whole number