Answer:
5 books
Step-by-step explanation:
I just went through the nines multiplication table until I got to 9 * 5 which equals 45, and then since it charges $5 for the shipping fee, $45 + $5 = $50 so 5 books would be the amount she can buy
Given:
The equations are:


To find:
The equation that show the relationship between a and c.
Solution:
We have,
...(i)
...(ii)
Equation (i) can be rewritten as:
...(iii)
From (ii) and (iii), we get



Therefore, the required equation is
.
Answer:
i need this too so any body that knows it plz help
your answer is 456 just calculate it up
Answer:
Step-by-step explanation:
Substitute x and y
K (-2) -5 (3) = 1
-2k- 15 = 1
-2k = 1+15
-2k =16
k= -8