Atrue-false test contains 13 questions. in how many different ways can the 13-question test be answered?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a