A baseball diamond is a square with sides of 90 feet. What is the shortest distance, to the nearest tenth of a foot, between first base and third base? Round your answer to the nearest tenth.

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Nneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

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?