Answer:
g(5x)= 20
Step-by-step explanation:
g(x)=4 is basically saying that 1 x is equal to 4.
g(5x) wants to know what 5 times 1 x is equal to (5 times 4 (4 is equal to 1 x)
g(5x)= 5(x=4)
g(5x)= 20
Answer:
parallel
Step-by-step explanation:
Because the 2 line have same slopes but different y int, they are parallel
Answer:
All solid substances require the same temperature and heat to melt them.
Step-by-step explanation:
Depending on the substance, the required heat to melt it changes, and is not the same for every solid.
Answer:
1. D
2. A
Step-by-step explanation:
Q1. Kerry is simplifying 
By the definition of negative powers,

Hence,

So, the first step in simplifying the expression is

Q2. Given the expression

First, use the definition of negative powers:

Thus,

Neptune is about four times wider than Earth.