Which number is the principal square root of 49

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

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:

Shane and abha earned a team badge that required their team to collect no less than 20002000 cans for recycling. abha collected 178178 more cans than shane did.