the scatterplot to the left depicts the carbon dioxide (CO2) concentration in parts millions (ppm) above 250 ppm in earth atmosphere between the year 1850 and 2000. which of the following functions best models y the CO2 concentration above 250 ppm, x year after 1850?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Describe how to translate the graph of y=/x to obtain the graph of y=/x+5

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax