how many times larger is the mass of an average grain of salt than the mass of an average grain of table salt ​

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.