Aball is dropped from a height of 10 feet and returns to a height that is one-half the height of the previous bounce each time. how far will the ball have traveled when it hits the ground for the fourth time?

a. 2.75 feet
b. 20 feet
c. 10 feet
d. 25 feet

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.