Answer:
Raymond's mistake was on the last step, since he didn't square root both sides
The correct answer should be

Step-by-step explanation:

Good luck!
<span>What is the probability that a five-card poker hand contains the ace of hearts?
1/52</span>
135
9
15
are the answers i just did this test
Answer:
It is not a whole number.
Step-by-step explanation:
First, you have to know that interests are WHOLE NUMBERS, not fractions.
10.3 is not a whole number, as 10.3= 10 3/10, or 103/10.
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.