Fit a quadratic function of the form ()=c0+c1+c22f(t)=c0+c1t+c2t2 to the data points (0,10)(0,10), (1,6)(1,6), (2,26)(2,26), (3,30)(3,30), using least squares.

In the 30-60-90 triangle below side s has a length of and side r has a length

Triangle xyz has vertices x(1,3), y(0,0)

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market