Answer:
13A
Step-by-step explanation:
The distance between two points P=(px,py) and Q=(qx,qy) is d=(qx−px)2+
Answer: A
Step-by-step explanation:

9 - a (c + 5)
9 - 3 * 4
9 - 12
solution is -3
Answer:
The z-score for Michael's exam grade is 0.50
Step-by-step explanation:
Data
- standard deviation, σ = 2.0
- Michael's exam grade is the value of interest, x = 86
From definition, z-score is computed as follows:
Z = (x - μ)/σ
Z = (86 - 85)/2.0
Z = 0.50
Answer:
7/16
Step-by-step explanation:
First, it is good to know that when you divide fractions, you are <em>multiplying it's reciprocal</em>.
<em>6/7's reciprocal is 7/6, since the reciprocal is
</em>
3/8 / 6/7 =
<u>3/8 * 7/6</u>
Now that we have that, we can just multiply the two:
3/8 * 7/6 =
21/48 =
<u>7/16</u>
Hope this helped :)