Answer:
1/7
Step-by-step explanation:
There is a 1/7 chance because out of all 7 letters and times you could have chosen a different letter, you chose x which occurs once in the problem.
Hope this helps!
Answer: 
Step-by-step explanation:
three-fifths of a number means multiply three-fifths by a variable 
increased by 10 means addition +10
together it is 
Less than 90° = acute
more than 90° = obtuse
equal to 180° = straight
more than 360° = reflex
Answer:
the answer is A
Step-by-step explanation:
Add both equations giving x=1
Sub back into any equation which gives you y=1