Two cheaper books = x
more expensive = 1.5x
so, 2.5x=150
150/2.5=x=60
therefore the more expensive book = 90
Answer:

Step-by-step explanation:



Therefore, the coefficient of
is
.
Every square is a rectangle<span> because it is a quadrilateral with </span>all<span> four angles right angles.</span>
Answer:

Step-by-step explanation:
<u>Given</u>
<u />
<u>Step 1: Combine Like Terms on LHS</u>
<u />
<u>Step 2: Subtract 11 on both sides</u>
<u />
<u>Step 3: Divide both sides by -4 to isolate the x-variable</u>
<u />
<u>Final Answer</u>
<u />
True. An invalid statistical test measure may have questions that are misinterpreted.