Answer:
pretty sure it's D........
Answer:
40
Step-by-step explanation:
(120 - 40)/2 = 80/2 = 40
B. 12
Ex: 12 squared is 144
Answer:
Step-by-step explanation:
A.
R(x)=px=x(-45 x+1800)=-45 x²+1800 x
B.
C(x)=7000+100 x
C.
P(x)=R(x)-C(x)=-45 x²+1800 x-(7000+100 x)
or P(x)=-45x²+1800 x-100 x-7000
or P(x)=-45 x²+1700 x-7000
