Find the standard deviation for the data set. 22, 13, 16, 17, 22, 14, 14, 12, 21
1.89
2.22
3.74
2.15

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4