The doctor recommended that Matt decrease the number of calories that he consumed from 2,500 to 1,800. By what percent did the number of calories decrease?

sounds & other waves originate from any vibrating object

in geometry, parallel lines are lines in a plane which do not meet; that is, two lines in a plane that do not intersect or touch each other at any point are said to be parallel. by extension, a line and a plane, or two planes, in three-dimensional euclidean space that do not share a point are said to be parallel.

it should be a.

hope it