x + y = 9
x = 9 - y
2x - y = 0
2(9 - y) - y = 0
18 - 2y - y = 0
-3y = -18
y = 6
x = 9 - 6
x = 3
Answer:
Number of items sold, discrete; time spent at desk, continuous
Step-by-step explanation:
3 in because of the grammit
2b^2 - 3b + 4a^2........a =-6 and b = 8
now we sub
2(8^2) - 3(8) + 4(-6^2)
2(64) - 24 + 4(36)
128 - 24 + 144
272 - 24
248 <==
Answer: 242 in²
All the work is shown in the picture.
