Sheri's age in 20 years will be the same as terry's age is now. ten years from now, terry's age will be twice sheri's. what are their present ages?

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting

What is “the compromise of 1850? ” *

What happens after a star goes supernova? just wondering! [tex]supernova [/tex] answer asap i really wanna know!