Answer:
n=3
Step-by-step explanation:
20+20+20 length +width+ height
20×3
The easiest way to do this is to multiple 7 and 3, which gives you 21. Julie will spend $21 on the gifts.
Answer:
✌it sould be easy
Step-by-step explanation:
I think it's 720
Have a GREAT day!
a. Answer: m = 2
<u>Step-by-step explanation:</u>
f(x) = x² - 4x + 1
f(m) = m² - 4m + 1 = -3
m² - 4m + 4 = 0
(m - 2)(m - 2) = 0
m = 2
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b. Answer: k = 2 and k = 5
<u>Step-by-step explanation:</u>
f(x) = x² - 7x + 14
f(k) = k² - 7k + 14 = 4
k² - 7k + 10 = 0
(k - 2)(k - 5) = 0
k = 2 k = 5