The first one is supplementary
Answer:
y = 2(x+3)(x-3)
Step-by-step explanation:
y = a (x-x1) * (x-x2) * (x-x3) * ... (x-xn)
x 1 to n represents the roots
22.8 I think because you divide them?? Idk
Answer:
-1
Step-by-step explanation:
15x-8x-2=-9
Or, 7x=-9+2
Or, 7x=-7
Or, x=-7/7
Or, x =-1
Answer:
21
Step-by-step explanation:
- 7 for first 10 shots
- 7 for another 10 shots
- 7 for last 10 shots