So find the area of the WHOLE triangle shaded or not, and use the formula 1/2bh. After that, use the same formula to find the area of the non shaded triangle. Then, subtract the non shaded from the big traingle. Hope I helped! :)
Answer:
Friend: 18; you: 54
Because you have much bigger chance
hope it helps please mark me as brainliest
Answer: 
Step-by-step explanation:
In order to solve this exercise it is important to remember the multiplication of signs. Notice that:

In this case you have the following expression given in the exercise:

Where the variable is "j".
When you multiply signs, you get:

Now you need to identify that like terms and then you need to add them (or combine them). So, applying this procedure you get that the simplified form of the expression is the shown below:

As you can observe, you get a 2nd degree binomial.
Answer: idk I need it to
Step-by-step explanation: for my test
Answer:
=13/28
Step-by-step explanation:
you can also use symbolab for these types of math problems<3