Suppose that a and b are square matrices and that abc is invertible show that each of a, b, and c is invertible. this question related to numerical analysis. solve this problem step by step and make it clear to understand.

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

What is the value of y? round to the nearest tenth

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.