Answer:
Hello! So for the factors (x+m) and (x-m) , and the roots can be found by making factors =0 and solve for x.
Step-by-step explanation: Im not that good at this but
I found a screenshot.
20 ≤ y ≤ 70
Step-by-step explanation:
Range is the possible outout values
3) 4.445 cm
4) 2.8575 cm
