Find the x intercepts of the parabola with the vertex (-3,405) and the y intercept (0,360). write your answer in the form of (x1,,y2). if necessary round to the nearest hundredth

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

What is the number 321,000,000 in scientific notation? also what is the number? ?

Which of the following are accepted without proof in a logical system? check all that apply.