Answer:
the variable term 5Y
Step-by-step explanation:
4x+5y=15
+
6x-5y=18
_________
10x=33 divide by 10
x=3.3
Answer:
An egg and cheese biscuit was $3.65.
Step-by-step explanation:
Liam's breakfast was:

Where:
P: total price
E: egg
C: cheese biscuit
M: carton of milk

(1)
Now, Finn's breakfast was:

(2)
By subtracting equation (2) from (1) we have:


Hence, the price of a carton of milk is $2, so by entering this value into equation (1) we can find the price of an egg and cheese biscuit:


Therefore, an egg and cheese biscuit was $3.65.
I hope it helps you!
Answer:
-125/27
Step-by-step explanation:
(-3/5)^-3= 1÷(-3/5)³
=1÷(-3³/5³)
=1÷(-27/125)
=1×(125/-27)
=-125/27
The answer would be choice A.