Suppose the population of a certain city is 4193 thousand. it is expected to decrease to 3458 thousand in 50 years. find the percent decrease.

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

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

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83