The perimeter of a parallelogram is 52 meters. The width of the parallelogram is 2 meters less than it's length. What is the length and the width?

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?