Answer:
45 
Step-by-step explanation:
Multiply 9 · 10 = 90 then divided by 2 = 45
Answer:
46.9
Step-by-step explanation:
328/7 = 46.9
To double check: 46.9 x 7 = 328
Have an amazing day!!
PLEASE RATE!!
Answer:
B:
Step-by-step explanation:
1. Substitute
for c:
2. Solve substitution: 
3. Compare
to calculated answers when 
4.
when
is 
Answer:
you can use mathpapa it works
Step-by-step explanation:
1.) 3p
2. -b+3
3. 6x
4. -3p
5. -4v
6. r
7. 9-4r
8. 4b+2
9. 14n
10. 4b+2
11. 35n+45
12. -82v
13. 38n
14. 38x