For the first is 3864
The second is 1320
A=3.14(which is pie) x 20.5^2
A=420x pie
A=1320
For the third is 2544
3864-1320=2544
Sorry if this is wrong too.
B. Its suggesting something bigger than -5
The first two pairs.. just substitute the x-coordinate and find y
Answer:
64 <em> </em><em>te</em><em> </em><em>quiero</em><em> </em><em>mucho</em><em> </em><em>ygrfrf7rttffrtx</em>
B) x = y^2 because it fails the vertical line test making it not a function