The screen is 9 feet tall and the string is 15 feet long. If x is the distance, in feet, along the ground from the stake to the screen, what is the value of x ? Enter the value of x in the box.

Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss,how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.