GRADE 8 MATHS PLS HELP, WILL MARK BRAINELIEST

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

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

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