Express the ratio of a's to n's in the word savannah, in simplest form

How many zeros does the function f(x)=4x3-x2+1 have

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6