Option one for the first question would be best because it is 2500 greater. Option 1 is 80000 while option 2 is only 77500.
Answer:
(x-5)
Step-by-step explanation:
factor the equation and the sign is x-5 because the equation has to be negative at the 25.
Answer:
v=bh
Step-by-step explanation:
where b is the base and height
Because it gives you a number that is close to the answer and if it is close to your number like for instance, the actual answer is 10 then if you get 5 as your estimate that's close.