Which property is demonstrated? -2 x 1/-2 = 1 a. multiplicative inverse b. additive inverse c. transitive property d. commutative property

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

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?

The reflexive property of congruence lets you say that ∠pqr ≅