If the mass of the earth is approximately 5.9x10^24 kg and the mass of the sun is approximately 1.9x10^30 kg, how many earths would it take to equal the mass of the sun?

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots. players number of free throws made free throw attempts kelly 16 20 sarah 25 30 maggie 31 40 liz 44 50 kim 47 60 how many players made at least 80% of their shots? round to the nearest percent.