M<y = 30 is the correct answer
This most of the angles you asked about except for 20 i m not sure about it sorry
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:

Or

Step-by-step explanation:
The given expresion is 2y-8+4y.
We want to find an expression that is equal to 2y-8+4y.
We need to group like terms to obtain:

We can now combine the like terms to get:


We can factor 2 to obtain:
