Answer:
18
Step-by-step explanation:
I am assuming you meant 8r-rs, in this case:
Plug in r=6 and s=5:
8(6)-(6)(5)
8*6 = 48 and -6*5= -30
Thus,
48-30= 18
Answer:
x1= - 8/3 , x2= 8/3
Step-by-step explanation:
Answer:
Step-by-step explanation:
First it base times height times (1/2)
The base is 7 boxes
The height is 5 boxes
A=(7)(5)(1/2)
A=(35)(1/2)
A=17.5
Answer:
Option B: x > 0
Step-by-step explanation:
Option A is wrong because 
will be 0. So, the inequality can't be divided by 0.
Option C is wrong because 1 will suffice this inequality. 
Option D is wrong because any value in the root has to be greater or equal to 0 (otherwise, it's imaginary number). -1 will give the latter root a value of root-(-3).
Leaving us with only option B, which is the right answer.
Answer: G does not show the relationship
Step-by-step explanation:
x is the number of months and he originally had 25 coins. The correct representation of this equation would be y=8x+25 since he adds 8 coins every month. So, G does not show the relationship.
