Your Welcome!!
(Hopefully they're all right)
Answer:

Step-by-step explanation:
350 / 7 = 50
50 * 2 = 100
100 new members
100 / 10 = 10
10 * 3 = 30
30 are new female members
Answer:
D. 0.85
Step-by-step explanation:
divide 6 by 5.10
Answer:
23
Step-by-step explanation:
3z + 2(z-1)
Let z=5
3*5 +2( 5-1)
15 +2(4)
15+8
23