Answer:
9 OR 1
Step-by-step explanation:
Let the number be x
x² - 10x = -9
x² - 10x + 9=0
a=1
b=-10
c=9
Solve using the quadratic formula
x =9 or 1
Answer:3(4x^2-9y^2)
Step-by-step explanation:
It's 1/4 as fraction and .25 as decimal
Answer: 80%
Step-by-step explanation:
10×8