Answer:
B
Step-by-step explanation:
Answer: 5040 7-digit numbers
Step-by-step explanation:
Permutations:
1: 1 ==> 1 permutation ==> 1 ==> 1!
12: 12, 21 ==> 2 permutations ==> 1*2 ==> 2!
123: 123, 132, 213, 231, 312, 321 ==> 6 permutations ==> 1*2*3 ==> 3!
7-digits: 7!=
1*2*3*4*5*6*7=5040 7-digit numbers
2x+54= 3x
x=54
teh answer is 54
Answer:
30 dollars
Step-by-step explanation:
4(5) + 10 = 20 + 10 = 30
see the figure below to better understand the problem
we have that

<h2>The answer is 357.0 feet</h2>