153
Step-by-step explanation:
Since the given question is
K(x)=2x^2-3βx
K(9) means we will have to substitute the value into the given equation
So let's solve
K(9)=2(9)^2-3β9
=2(81)-3(3)
=162-9
=153
So the final answer is 153
a ruler? idk
step-by-step explanation:
the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.
brand = spend $ 135.85 total
store = spend $80.07 total