The measurements are there to confuse you. This problem is just asking:
"What is 8 * 3.5?"
So let's break this down:
8 * 3 = 24
8 * 0.5 = 4
24 + 4 = 28
Therefore, 8lb * $3.50/lb = $28
Cool? Cool.
Answer:
A
Step-by-step explanation:
I just took the test
Your answer would be -32x^9
When a perpendicular is dropped from the right-angle (C) to the opposite side AB, the metric relations apply:
BD*BA=a^2 ..........................(1)
AD*AB=b^2...........................(2)
BD*DA=DC^2........................(3)
Given AD=6, AB=24, using metric relation (2) above, we have
b^2=6*24=144
=>
b=sqrt(144)=12
By the way, we conclude that this is a 30-60-90 triangle because b/AB=(1/2)=sin(B) => B=30 degrees.
Answer: b=12