The deepest part of a pond near Jairique’s home is 6 ¼ feet. During a summer drought, the water level of the lake dropped 2 ⅝ feet. What was the water level of the deepest part of the lake at the end of the drought?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters

Ireally don't understand this, i'm really an idiot but i want to know how to figure this out. !