Answer:
you did not provide the numbers to answer any question...
but the formula that you want is probably this one
Combination Formula nCr=n!(n−r)!r!
Step-by-step explanation:
Answer:
4) p=b(1/2)
6) y=50+25h
Step-by-step explanation:
Let me know if you need an explanation!
Answer:
15. 2
16. 
or 1.6875
17. 
or 0.5666666667
18. 5
19. 
or 4.375
20. 
or 4.4
Step-by-step explanation:
Find common denominators. Multiply then simplify (if possible).
Answer:
f(5) = 20
f(-4) = 2
Step-by-step explanation:
I assume the equation is f(x) = 2x + 10 (Not sure why the "{" is there.)
f(5) = 2*5+10
f(5) = 20
f(-4) = 2*(-4) + 10
f(-4) = 2
