What is the surface area of a sphere with a circumference of 50 ft? Round the answer to the nearest tenth
A. 63.3 ft2
B. 1989 ft2
C. 398.0 ft2
D. 795.8 ft2

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

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.

Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y