Find the circumference of the circle with the given radius or diameter. (use 3.14 for π.)

diameter = 24 cm
a.
37.68 cm
b.
452.16 cm
c.
1,808.64 cm
d.
75.36 cm

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

How do i do this activity, is appreciated

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?