This is a multiple choice by the way Whatinformation doyou need to calculate speed?

Distance and time

a speedometer and a car

A compass and car

Aging populations can be a problem for developed countries because a) there are fewer younger workers coming into the workforce. b) most older workers demand top-level pay and full benefits. c) many older people are skilled in manufacturing, not technology. d) younger workers cannot find jobs when older people work longer.

Read the excerpt from sir gawain and the green knight. when they had washed well, they went to sit at the table, the most famous knights nearest the top, as was proper, and guenever, in high spirits, was seated in the middle of them, in the arrangement of the famous table, with them arrayed around her, fine silk, furthermore, in a canopy over her, of toulouse red, and many tharsian tapestries embroidered and set with the finest of jewels that would have cost a great deal if someone had tried to buy them. the most beautiful there was the queen, flashing her gray eye. no one had ever seen anyone lovelier in his day. based on the excerpt, what conclusion can readers draw about guenever? she treats people with compassion. she is admired for her intelligence. she feels uncomfortable in crowds. she is held in high esteem.

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.