They are similar. I don't remember what it is called but it is 100% ALWAYS true that the angles of a triangle must add up to 180 degrees. Always. If you have two angles, that are 60 degrees, the other must always be 60. again, always. So, They are similar by their angles.
Answer:
See explanation.
Step-by-step explanation:
The possible values of fx are 2, 0, -1, you either win $2, win $0, or lose $1.
The probability of winning $2 is the probability of selecting a black ball, so it is 4/14 or 2/7.
The probability of not earning any money is the probability of an orange ball being selected, so its 2/14 or 1/7.
The probability of losing $1 is the probability of a white ball being selected, so it is 8/14 or 4/7.
Answer:

Step-by-step explanation:
Given: Trey's test score average decreased by 14 points this semester.
To find: a signed number to represent this change in average.
Solution:
The decrease can be denoted by minus
sign and increase can be denoted by plus
sign.
So, a signed number to represent the change in test score average is 
Answer:
25.3 and
Step-by-step explanation: