FIRST PROBLEM AS GENIUS!!!
The 45-45-90 triangle theorem states that each leg equals x, and the hypotenuse equals

. Using this, we can find that the height is 10. Take the average of the lengths to get l = 27.
The area = 270.
Answer:
Step-by-step explanation:
Given term: 
<em>In algebra, like terms are the terms which have the same variables with same powers. </em>
Here the variables are a and d, where d has power 3.
From the given options
is the right answers as it has the same variables and power.
Rest of other options are unlike terms to the given term.
Answer:
D
Step-by-step explanation:
48 - 23.99 = 24.01
You have $24.01 left, so you can buy 2 groups of balloons for $20.
Each group is 12 balloons.
Multiply 12 by 2
Answer: 24