Answer:
a^12+8
Step-by-step explanation:
let's check all the expressions
1. a^3+18
here 18 is not a perfect cube.
2. a^6+9
here 9 is not a perfect cube.
3. a^9+16
here 16 is not a perfect cube.
4. a^16+8
here 8 is a perfect cube, thus we can write above expression by using laws of exponents as
(a^4)^3+2^3
Thus, is a sum of cubes.
a^12+8
Answer:
y = -x + 4
Step-by-step explanation:
(x₁,y₁)= (5, - 1) & (x₂,y₂)= (2 , 2)
Slope = 
![\frac{2-[-1]}{2-5}\\\\=\frac{2+1}{-3}\\\\=\frac{3}{-3}\\\\= -1](https://tex.z-dn.net/?f=%5Cfrac%7B2-%5B-1%5D%7D%7B2-5%7D%5C%5C%5C%5C%3D%5Cfrac%7B2%2B1%7D%7B-3%7D%5C%5C%5C%5C%3D%5Cfrac%7B3%7D%7B-3%7D%5C%5C%5C%5C%3D%20-1)
m = -1
Equation of the line y - y₁ = m(x - x₁)
y - [-1] = (-1)*(x - 5)
y + 1 = -x + 5 {-1 is distributed}
y = -x + 5 - 1
y = -x + 4
Answer:
1.-8p-2
2.−4r−5
3.−7z−3
4.-3s-3
5. 1s
I got lazy to do the rest sorry :D