How many sides does a polygon have if the sum of its interior angles is 1,260º?

a. 7
b. 8
c. 9
d. 10

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Which of the following best describes the delian problem?

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