What is the value of x in the equation 5(2x - 7) = 15x -10

Which statement about the relative areas of ? abc and ? xyz is true? the area of ? abc > the area of ? xyz the area of ? abc < the area of ? xyz the area of ? abc = the area of ? xyz more information is needed to compare.

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?