The correct answer is C my friend
Answer:
Correct choice is 
Step-by-step explanation:
1. If
then you can find the inverse 

2. If
then

3. Hence,

49=-7k is equivalent to D because when you simplify both of them, you get -7=k
The answer is 10 because it’s multiplies by 10
Answer:
6
Step-by-step explanation:
24 = 2L + 2(6), multiply...
24 = 2L + 12, subtract 12 to both sides...
12 = 2L, divide 2 to both sides to isolate the varibale L
6 = L
Therefroe, L = 6