What is the value of the underlined digit? write your answer as a fraction.

Could someone me with this question i’ve been stuck on it for 20 minutes

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13