Joshua has 2 ¾ times as many stamps as Leo. How many stamps must Joshua give to Leo so that each of them will have 210 stamps? Show your work

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?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles