It would be 7:9 because if you divide each side by 4 then you can get it in simplest form
Answer: it might be D
Step-by-step explanation: I think so on edge -4 must be factored from -4x^2-7
Answer: 1fp = 525 minutes
35fp = 18,375 minutes
<u>Step-by-step explanation:</u>
Solve this using conversions

For 35 fp, multiply 35 fp by 525 minutes per 1 fp = 18,375
Answer:
x=21/23
Step-by-step explanation:
Solve for x:
3x+5y=21−20x+5y
Add 20x to both sides:
3x+5y+20x=−20x+5y+21+20x
23x+5y=5y+21
Subtract 5y to both sides:
23x+5y+−5y=5y+21+−5y
23x=21
Divide both sides by 23:
x=21/23