Answer:
D. 72
Step-by-step explanation:
Use permutation to answer this question taking notice of the order.
The quiz has 3 true/false questions. This means are there 2 possible ways to answer the true/false question hence 2³
The quiz also has 2 multiple choice questions that have 3 option each. This means 3²
The number of possible ways to complete the quiz will be;
2³ × 3² = 8×9 =72
P = 2H + 2L
L = 6
P = 18
18 = 2H + 2*6
18 = 2H + 12
6 = 2H
H = 3 ft
-7/15.
You multiply the numerator and denominator to get -21/45. To simplify, divide each by the greatest common factor, which is three, to get -7/15.
14.
1. 7 × 7 = 49
2. 7 × 3 × 3 = 63
3. 7 × 3 × 4 = 84
4. 7 + 3 + 4 = 14
Hope that helps! Feel free to ask for a more explanation, if needed.
55,890
31% of 81,000 is 25,110
81,000 - 25,110 = 55,890