According to a 2008 survey, 28/50 of all teens have sent at least one text message in their lives. what percent of teens have sent a text message?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Which one ? is the answer and how to find this answer

Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt