Elena went 60meters in 15 second noah went 50 meters in 10 seconds and noah both moved at a constant speed how far. did elena go in1 second

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

the 1st digit is in the 100s n its 1

step-by-step explanation:

3,589÷18 = 199.389

so the first digit of the quotient is in the 100s n its 1