Halla el valor numérico de los polinomios siguientes para x= 2, y = -4 y z = 5 15- 4x2 y + 2xy

0.05xy3 + 10.2x2 z - 6z2

x2 y3 + 3x2 yz -3x3 y2/2- 5

Ayúdenme porfavor :(

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)

In 2000, for a certain region, 27.1% of incoming college freshman characterized their political views as liberal, 23.1% as moderate, and 49.8% as conservative. for this year, a random sample of 400 incoming college freshman yielded the frequency distribution for political views shown below. a. determine the mode of the data. b. decide whether it would be appropriate to use either the mean or the median as a measure of center. explain your answer. political view frequency liberal 118 moderate 98 conservative 184 a. choose the correct answer below. select all that apply. a. the mode is moderate. b. the mode is liberal. c. the mode is conservative. d. there is no mode.