Ohh come se diceee uhhh i dont know the answer :)
Answer:

Step-by-step explanation:
The ratio will remain the same because all the sides will be equally increased. The angles will also remains the same.
Best Regards!
Answer:
y + 1 = 3x
Step-by-step explanation:
In order for there to be an infinite number of solutions, the two lines need to be the same.
y+1 = 3x
y=3x-1 are both the same
Answer:
yes
Step-by-step explanation:
Complementary angles add up to 90o.
The complement of 21 is 90 - 21 = 69