19. -4x(3x-5y)
20. 6x+ 20
21.
22.
The degree is 4, because it has 4 zeros.
Answer:
Is the question even complete ?
Step-by-step explanation:
228 ft
P = 2(l+w)
We know the length is 97 and the width 17
P = 2(97+17)
= 2(114)
=228