I would substitute y = x^2
4y^2 -21y+20=0
Answer:
103 percent
just divide 20 by 15 and multiply the answer by 100 to convert to percentage form bro
Answer:
−t+24
Step-by-step explanation:
Answer:
The letter "x" is often used in algebra to mean a value that is not yet known.
Step-by-step explanation: