Please answer with step by step

Adding and subtracting matricesfind the value of each variable. x = and y = would

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²