Can you also with this one? you!

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

What multiplys to be 1 but adds up to be 4

Agame has a rectangular board with an area of 44 in2. there is a square hole near the top of the game board in which you must not toss in a bean bag. the square has side lengths of 3 in. what is the probability of not tossing the bag through the hole? a)9/44 b)3/9 c)3/44 d)35/44