The answer is 10 because 9x5=45 then you do 45-15=30 then you divide by 3 which is 10.
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Answer:Jeff read 11 books<em> I believe </em>
Step-by-step explanation:hope this helps
Answer:
72 ft^2
Step-by-step explanation:
area = length x width
1/2 x 8 = 3
3 x 24 = 72
Let's say this number is a:
a*(a-9) = 90
a^2-9a-90 = 0
(a-15)(a+6) = 0
a = 15 or a = -6
Therefor a. would be the correct answer :)
1/2 of the pizza is eaten in an hour. To get from 1/2 an hour to 1 hour, you multpily by 2. Multiply 1/4 by 2 to get 1/2.
