What is the solution? y=-x+21 y=-2x+30 a. (8,12) b. (9,11) c. (8,11) d. (9,12)

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

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?