Answer:
0.25
Step-by-step explanation:
-9/6 divided by 3/-2 = 0.25
i am sorry
The permutation and the combination would be ^{15}P_4= 32760 and ^{15}C_4 = 1365.
<h3>What is the formula used for permutation and combination?</h3>
To calculate permutation
Given; n = 15, k = r = 4
Therefore, ^{15}P_4 = 32760
For combination
Learn more about permutations here:
brainly.com/question/13443004
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Answer:
$486
Step-by-step explanation:
First you find the area of the window. The area of a square is equal to h×w, so we take 9×9 which equals 81. Since it costs $6 per square foot, we now take 81×6, which gives us an answer of $486.
Answer:
4 + h - 90
Step-by-step explanation: