Answer:
4) c
6) a, b
7) a
8) b, c
10) I'm not sure but I believe it is C.
Step-by-step explanation:
Use photomath it will help you
(m - 3)(m + 5)= 0
m= {3, -5}
6pi or 18.85 m because you need to find the circumference of a circle with radius 3.
.98 since the hundredth place is higher than a five it is rounded up