Daniel is adding a metal border to a company's lawn to stop the grass growth. the length of the lawn is 42 yards and the width is 27 yards. how much metal border will daniel need?

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?

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?