My father is 40, and my grandfather is 70. i am 2 years older than twice the gcf of my father's and my grandfather's ages. how old i am.?

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

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?