Answer:
d
Step-by-step explanation:
2/5 of an hour is 12 minutes
I think you need to figure out how much he makes an hour first then its very easy from there.
Let Sam be (S+8) years while his sister is S years.
S(S+8) = 105
S^2+8S-105 = 0
(S+15)(S-7) = 0
Sam’s sister is 7 years and Sam is 15 years old.
Answer:
-1/3
Step-by-step explanation:
If you divide rise over run you will do the equation -1 divided by 3 which is equal to -1/3