Answer:
<h2>The total value of all the letters in the alphabet is 676.</h2>
Step-by-step explanation:
The problem is about an arithmetic sequence where the difference is 2, the first term is 1 and we know that the alphabet has 26 letters.
To find the total sum of all values, we have to use the following formula

Where
,
and
. Replacing values, we have

Therefore, the total value of all the letters in the alphabet is 676.
To find the number of words she can read per minute, we would do 560 divide by 7 minutes
560/7 = 80 words per minute
Hope this helps
Answer: Rational
A rational number is, as the name implies, any number that can be expressed as a ratio, or fraction. ... 4.5 is a rational number, as it can be represented as 9/2.
I hope this is good enough:
Answer:
Quadrant II
Step-by-step explanation:
Since there are 360 degrees in a circle we will subtract it from 860 until we get a number less than 360

Since it less than 180 but more than 90 it will be in the second quadrant
Hope this helps! <3
Answer:
4 is hypotenuse
Step-by-step explanation: