How much further up the wall does the ladder in figure 2 reach than the ladder in figure 1 to the nearest tenth of a foot

1.4
2.8
3.2
5.6
None of the above

If you could answer these your a life saver

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

The diagram represents the polynomial 4x2 + 23x – 72. what is the factored form of 4x2 + 23x – 72? (4x + 8)(x – 9) (4x – 8)(x + 9) (4x + 9)(x – 8) (4x – 9)(x + 8)