The summit of a volcano is 20 km above the ocean floor, as shown below.
Summit
If the ocean floor has an elevation of
-10 km, describe the sea level and the
elevation of the summit
Sea level
The sea level is at
Ocean floor (-10
km below sea
level)
The elevation of
the summit is at

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 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.

Describe how making an ‘and’ compound sentence effects your solution set

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.