This is me. Dont report because I cant take the pic off. what is the squarw root of 15.44?​

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?