The slope is the number before x, so -3
The order of the 3 books does not matter so its the number of combinations of 3 from 45
b is the correct choice
Step-by-step explanation:
you put the values in place of the variable names and calculate.
y² + x + y
(-4)² + -3 + -4 = 16 - 3 - 4 = 16 - 7 = 9
0.08
0.2
+
=
0.28 that’s how u work it out
