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

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126