Addison wants to cut 21 centimeters of lace, but her ruler is only calibrated in millimeters. how many millimeters of lace should she cut? millimeters

How can you decide witch operations to use to slice a two step equation

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36