break these questions down and explain why the answers are these

picous of fruit altogether. Assurbe all asples are identical, all hananas afe idenficat, and fo foth. and asueme there are al least 16 pitces of each kind of fruit. Sct acide 4 pieces of fruit, then (15.3) =455 6. How anaty binary iequences of length 9 look the came reading thets forsard (frem left to riphe) as backward (rietr to letr)? x xyxx4x616 ways and y is 2 ways total =32 Sit asde thires i's te go betwein the four s (0,+) OR (C).5)=126 sprial ducies. In bou many ways con this be dooc? 47320 9. How maty position integen levi than 100,000 are wash that the wan of their dight ks x ? sdieisX1+x2+x3+x4+x5x 11111111 (12,5) or C(12,8)495