Rob feldman can do a job in 3 hours, while karen requires 7 hours. how long will it take them if they work together

What’s 8y+48 and factor each expression completely

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

For a house call, a veterinarian charges $70, plus $40 an hour. a. write an equation that represents the total fee y y (in dollars) the veterinarian charges for a visit lasting x x hours. equation: y= y= no response given b. find the x-intercept. x-intercept: