Answer:
the second and thrid one :)
Step-by-step explanation:
The father say to his son, that’s his father in the photograph.
Answer:
20 years
Step-by-step explanation:
9000/ 100= 900 = 10%
900/2= 450
450 x 2= 900
900 x 10= 9000
Now we multiply 10 by 2 because we doubled the value of our 450 into a 900 and now we get 20.
Answer:
slope: -3
y-intercept: 5
Step-by-step explanation:
y=mx+b, where m=slope and b=y-intercept
Answer:
x=4
Step-by-step explanation:
-3x + 12x =36
Combine like terms
(-3+12)x = 36
9x = 36
Divide each side by 9
9x/9 = 36/9
x = 4