Vida painted 7 rooms in 28 hours. Each room had 350 square feet of wall space that was painted. At what rate did Vida paint, in square feet per hour?

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x