Answer:
464.1587734 = 464 793867/5000000
Answer:

Step-by-step explanation:
I suggest looking lessons on it online if you don't understand... It's hard to do your work especially if you don't understand it. Or if your online, go to past lessons or something.
The answer is x=4 and y=-4
7/8 x = 21
7x = 21×8
7x = 168
x = 24
Answer:
B
Step-by-step explanation: