From what I know its 56.52m
Answer: Senior: $8, Child: 14
Step-by-step explanation:
3s + c = 38
3s + 2c = 52
c = 14
3s + 14 = 38
3s = 24
s = 8
Answer: The answer is that he cleaned one room
Step-by-step explanation:
Because he charged in total 77 dollars and he charged 77 dollars per room, so 77*1=77=c
Answer:
-37
Step-by-step explanation:
f(9)= -6X9-1
= -36-1
= -37
Answer:
3. C
4. D
Step-by-step explanation:
3.
Once 
4.
A quadratic equation has no real roots when the discriminant (
) is negative. 
.
Let's try all the equations:
(A)
(B)
(C)
(D)
