Answer:
PH= 5.00
Step-by-step explanation:
1st one is yes
the other two im not sure about
Hello,
The last graph (2;3)
2x + 3y = 12
2x – 3y = 0
2x = 3y
3y + 3y = 12 ⇔ 6y = 12 ⇔ y = 12/6 = 2
2x + 3 × 2 = 12 ⇔ 2x + 6 = 12 ⇔ 2x = 6 ⇔ x = 6/2 = 3
3.36
Explanation:
1.12x3=3.36
I hope it's helpful