Answer:20
Step-by-step explanation: Cause 60-20=40
9 inches is the longest length of boards he can cut
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: D) 1*5=5
Step-by-step explanation: 1.09*5.4=5.5 so the closest number to that is 5.The rest of the answer choices are not possible.
The answer is Square *8=h
I hope this helps.
