<span>A) Y= -5x+3
B) -x -7y = 13 substituting equation A) into B)
B) -x -7*(-5x +3) = 13
</span>
<span>B) -x +35x -21 = 13
B) 34x = 34
x = 1
</span>
<span>A) Y= -5*1 +3
A) Y= -2
</span>
So if 60 marks is 40%do buildind blocks 40%+ 40 % 80% = 120 marks so ad 20 % which is 30 marks so full marks is 150
Answer:
the answer is any number above 18
Answer:
C=24π
Step-by-step explanation:
C=2πr
C=2π12
C=24π
≈75.39
Answer:
I think it is 3.1
Step-by-step explanation:
make me brainlyest pls
