Answer:
see explanation
Step-by-step explanation:
3- digit numbers starting with 5 are
528 and 582
3- digit numbers starting with 2 are
258 and 285
3- digit numbers starting with 8 are
825 and 852
there are 6 possible 3- digit numbers
258 , 285 , 528 , 582 , 825 , 852
Answer:
x=65 degrees
Step-by-step explanation:
There is a theorem that states: The sum of an exterior angle of a triangle is equal to the sum of the nonadjacent interior angles.
Therefore:
2x-15= 50 + x
x=65
17,16. That what comes next I think