Expand (1-x)^1/2 in ascending powers of x up to and including the term in x^3 . State the range of x for which the expansion is valid. Hence, a) show that (9-2x)^1/2 >> 3-1/3x - 1/54x^2 - 1/486x^3 + K

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4