Anitais making curtain to surround a table. she bought 3/1/4 yards of fabric ,her total was $13, what was the cost per yard

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

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 distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle