Is a centimeter longer or shorter than a meter?

longer
shorter

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

Edith is shopping for a new leather couch. jordan’s furniture has one that costs $3,000. however, this weekend she can get a 15% discount. how much money will edith save if she buys the couch this weekend? a $15b $2,550c $45,000d $450

An archaeologist in turkey discovers a spear head that contains 53% of its original amount of c-14. find the age of the spear head to the nearest year. (5250 isn’t right)