Marianna wants to buy a new tennis racket that costs $57.50. she has $8 and plans to save $4.50 each week. how many weeks will it take her to save the money?

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

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?

Need plz been trying to do it for a long time and still haven’t succeeded