Best explained and correct answer gets brainliest

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

If rt is greater than ba, which statement must be true ?