Answer:
1:5
5:9
7:11
9:13
I think this is right in not sure though
Answer:
10p+5
Step-by-step explanation:
Answer:
1st, 3rd and second last one
Answer:
18z 2+17z+4
Step-by-step explanation:
it hard try to give more point
Step-by-step explanation:
81x⁴ - 16y⁴
(9x²)² - (4y²)²
(9x² + 4y²)(9x² - 4y²)
(9x² + 4y²)(3x + 2y)(3x - 2y)