What percentage would my grade be if I got a 50% on a project that is worth 20% of my grade and my grade is 87%/B+. How much would my grade go down?

According to stephen hawking in the "origin of the universe" lecture, "why are we here" and "where did we come from" are questions that

Match the author with the description a. ernest hemingway b. john steinbeck c. robert frost d. langston hughes (1) summers spent in pacific grove, california influenced the symbolism in his literature (2) his poetry includes simple, direct language. many are dramatic monologues written in free verse are about life on new england farms (3) the mood and tone of his literature is largely shaped by his experience as a soldier in world war 1 (4) his poetry and short stories include dialect and colloquialisms which gives his primarily african american characters distinctive voices

Besides the skull and cross bones what other shape sometimes appeared on flags flown by pirates?