What is the percent of change in the cost of a DVD set that originally sold for $49.99 and is now on sale for $24.99? What is the percent change?

What is the solution of log2  (3x  -  7)  =  3? 4 5

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so