What is the ratio of 1 km to 500 m

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?