6z -4 - z + 10 = -9
Combine like terms
5z + 6 = -9
Subtract both sides by 6
5z = -15
Divide both sides by 5
z = -3
Have an awesome day! :)
Answer:
0.375
Step-by-step explanation:
Based on the fact that Tess's score was 25 in the statistics exam as shown by the stem-and-leaf plot, her Tess's percentile was 30th.
<h3>What was Tess's percentile?</h3>
Tess's percentile depends on the number of people whose scores she is above.
When looking at the stem-and-leaf plot, we see that Tess's score of 25 is the 13th score.
Her percentile is therefore:
= (13 - 1) / 40
= 12 / 40
= 30th percentile
Rest of the question is:
Tess’s score was 25. What was her percentile?
Find out more on percentile scores at brainly.com/question/24245405
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6,600 x 7.5% = $495
$495 + 6,600 = 7,095
$495 increase in dollars
$7,095 was in his account at the end of the last year
Hope this helps! =)