9x^2-10x=0
D= b^2-4ac
b=-10
a=9
c=0
D=(-10)^2-4*9*0=10^2-0=100
First, divide the percent by 100. Then if the percent is not a whole number, then multiply the top and bottom by 10 for every number after the decimal point. :)
answer one would be 18 square root of 5
and the second would be 4 square root of 5
Step-by-step explanation:
He will bye 16 pens hope that helps u
