What is the quotient (4-x)/(x^2+5x-6) ÷ (x^2-11x+28)/(x^2+7x+6) in simplified form? state the restrictions on the variable.
a. +1))/((x-1)(x- x≠1,x≠7
b. (-1)/((x- x≠7
c. (-1)/((x- x≠1,x≠-6,x≠4
d. +1))/((x-1)(x- x≠1,x≠-6,x≠4,x≠7

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

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.

An archaeologist in turkey discovers a spear head that contains 53% of its original amount of c-14. find the age of the spear head to the nearest year. (5250 isn’t right)