Select the correct answer. The archway of the main entrance of a university is modeled by the quadratic equation y = -x2 + 6x. The university is hanging a banner at the
main entrance at an angle defined by the equation 4y = 21 - x. At what points should the banner be attached to the archway?
OA.
(1.5,5.62) and (3.5,6.12)
OB. (1.5,4.87) and (3.5,4.37)
OC. (1,5) and (5.25,3.94)
OD.
(1,5.5) and (5.25,6.56)

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Identify the number 127 as a rational or irrational. explain