Answer:
The number is 13
Step-by-step explanation:
the equation:

The solution.


Hope this helps
K (this has to be 20 characters long so I am typing this)
Answer:
2nd
Step-by-step explanation:
using the quadric formula

do the math and you get the second one.
{-1/3,5/2}
Answer:
at least 51,569 blocks ( same as 51569)
Step-by-step explanation:
973 * 53
Answer:
6
Step-by-step explanation:
- 6x +5 = 0
- 6x + 9 -9 +5 = 0
[
- 6x + 9] - 4 =0
-4 = 0
= 4
(x-3) =
or (x-3) = - 
(x-3) = 2 or (x-3) = -2
x = 5 or x = 1
therefore, sum of these solutions is 5+1 = 6