Jeff's salary is 25% higher than josh's. by how many percents is josh's salary less than jeff's?

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?

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal