Answer: 32ft squared
Step-by-step explanation: since area of a rectangle is length x breadth.
It then becomes 8ft x 4ft = 32ft²
The answer to this is -15
Answer:
5/8
Step-by-step explanation:
subtract 3/8 from 8/8 to get 5/8
Answer:
+30 +-25
Savings is positive
Buying is negative
Step-by-step explanation:
+30 saved
-25 to buy
+30 +-25
Savings is positive
Buying is negative
For this case we have the following system of equations:

We can write a system of equivalent equations.
For this, it is enough to multiply one of the two equations by a scalar.
Multiplying the equation 1 by 2, we have:

Therefore, the new system of equations is:

Answer:
A system that is equivalent is:
D) 