There are three levels of fda approval for medical devices, with level 1 being advanced technological products such as pacemakers to level 3 including devices such as bandagesa. trueb. false

Amedian in the road will be marked with a white sign that has a black arrow going to the left of the median. true false

So im doing this school challenge and the teachers said whats the average text a student gets a day so i need to get about 20 in a day but dont know how can you guys 2163371293

Pp 4.1 design and implement a class called sphere that contains instance data that represents the sphere’s diameter. define the sphere constructor to accept and initialize the diameter and include getter and setter methods for the diameter. include methods that calculate and return the volume and surface area of the sphere (see pp 3.5 for the formulas). include a tostring method that returns a one-line description of the sphere. create a driver class called multisphere, whose main method instantiates and updates several sphere objects.