Give the area of a square when the side is 13ft

Through non-collinear points there is exactly one plane.

Percent increase and decrease. original number: 45 new number: 18

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.