Answer: I know R2 is reflexive property.
Step-by-step explanation:
The answer is $10 because 123=$6 and 4 hours is =$4 6+4=10
By changing their exponent to negative.
Ex.
The answer is X= 5. Using the pythagorean theorem, and assuming that "b" is 3, half of 6 because the triangle is isosceles, you can solve the problem.
