For the expression

, the coefficient of the x² term is 1.
Slope does not exist. A zero in the numerator means you have a horizontal line.
Answer:
$55.80
Step-by-step explanation:
8, 16, 24, 32, 36
8=12.40, 16=24.80, 24=37.2, 32=49.6,
+4 makes it 36 so it's have of 8, so add 6.20 to the end and it's 55.80
-4 1/5 is greater than -4 9/10