41 dollarsStep-by-step explanation:
Answer:
Step-by-step explanation:
$2800 - $750 = $2050
$2050 - $500 = $1550
$750 rent
$500 vacation savings
$1500 spending money
Answer:
<u>It</u><u> </u><u>is</u><u> </u><u>(</u><u>x</u><u> </u><u>-</u><u> </u><u>3</u><u>)</u><u>³</u><u> </u><u>-</u><u> </u><u>9</u><u>x</u><u>(</u><u>3</u><u> </u><u>-</u><u> </u><u>x</u><u>)</u>
Step-by-step explanation:
Express 27 in terms of cubes, 27 = 3³:

From trinomial expansion:

open first two brackets to get a quadratic equation:

expand further:

take y to be 3, then substitute:

Answer:
80.15
Step-by-step explanation:
Eighty and fifteen hundredths = 80.15
Answer:
Step-by-step explanation:
7 books.................................3 magazines
14 books.................................6 magazines
21 books................................9 magazines
28 books..............................12 magazines
of course we ca do it
7/3=28/x
x=(3*28)/7=12