Is there a picture of the question?
Answer:
22
Step-by-step explanation:
This is a right angle so the sum of those would be equal to 90 degrees
x + 7 + 3x - 5 = 90 add like terms
4x + 2 = 90 subtract 2 from both sides
4x = 88 divide both sides by 4
x = 22
60/15=4 meaning 25% of the dogs are purebreed
Answer:
I have no idea
Step-by-step explanation:
I have no idea