Answer:
A.
isosceles, right
Step-by-step explanation:
perpendicular lines means that they make 90° angle with each other and for a triangle to be isosceles it has to have 2 sides of equal length
Answer:
B and C
Step-by-step explanation:
they have -5x, it doesn't really matter on their order
Mean is the average
So the first mean is 11
The second one is 14.7 so round to 15
15-11 is 4. Hope that is correct
1+(put the little sign)6
that should be the answer, good luck.