The engineer designing a parabolic arch knows that its equation has the form
y = ax2 + bx + c.
Use the information in the illustration to find a, b, and c. Assume that the distances are given in feet. (Hint: The coordinates of points on the parabola satisfy its equation.)

The number of pages in the u.s. tax code exceeds the number of pages in the king james bible by 18,528. the combined number of pages in the tax code and the bible is 21,472

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.