Answer:
Step-by-step explanation:
Markup price= 15% of 500

= $ 75
Selling price = 500 + 75 = $ 575.00
4x^2 + 5x - 8 + (- 4x^2 - 5x + 8) = 0
all ur doing is changing the signs so they will cancel each other out.
so ur adding : -4x^2 - 5x + 8
Answer:
it's 80.
Step-by-step explanation:
120-40= 80
....
What is the mean, median, and mode of 3,8,13,4,9,15,7,8,5,
Stella [2.4K]
Answer:
Mean: 8
Median: 8
Mode: 8
Step-by-step explanation:
Find the average
Mean: 3 + 4 + 5 + 7 + 8 + 8 + 9 + 13 + 15 = 72
Divide by the amount on numbers: 72 / 9 = 8
8 is the average
Find the middle
Median: 3, 4, 5, 7, 8, 8, 9, 13, 15
8 is the middle
Find the most common
Mode: 3, 4, 5, 7, 8, 8, 9, 13, 15
8 is most common
Answer:
$1.70
Step-by-step explanation:
Divide the price by the number of notebooks to get unit rate.

Each notebook should cost $1.70.