Answer:
3(x+5)≡3x +a
3x + 15≡ 3x +a ⇒ a=15
I hope you understood!
£840
Step-by-step explanation:
800 × 1.05 = 840
(1.05 Is the decimal multiplier = (100% + 5%)/100)
Answer: in order, the answer is 3, height of the pyramid, 6, then 108
Step-by-step explanation: I JUST DID THE QUESTION