Answer:
Step-by-step explanation:
<u>We know that:</u>
<u>Solution:</u>
Hence, Albert has traveled 150 miles after 3 hours.
just three units no other numbers?
2
(m+2)(m-2)=m^2-4
(m+2)(m-2)=m(m-2)+2(m-2)
=m^2-2m+2m-4
=m^2-4