Any help please

2x-5y=-6
4x-3y=-12

USING SUBSTITUTION METHOD.

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

What’s 8y+48 and factor each expression completely