Step-by-step explanation:
on a trip, you had to change your money from dollars to British pounds. you got 560 pounds for 800 dollars. which is a unit rate
1 answer:
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Answer:
Step-by-step explanation:
We are asked to calculate the value of to the third power.
Now,
=
= { Since we know, a³ = a × a × a }
= { Since the product of three negative numbers is also negative }
=
= ( Answer )
Answer:
b) (5, -3)
Step-by-step explanation:
The given equations are;
I prefer using substitution because of the first equation.
Put equation (1) into equation (2) to obtain;
We expand the parenthesis to obtain;
Group similar terms to get;
Simplify
Divide through by 5;
Put into equation (1) to get;
The solution is (5,-3).
The correct answer is B