A coefficient is the number directly in front of the variable, aka the number being multiplied with the variable. In this case it's -3.
Answer:

Step-by-step explanation:
Let
x------> amount of money that Samantha spends weekly on her school lunch
we know that
The inequality that represent this situation is

All positive real number less than or equal to 15
Answer:
Option (B)
Step-by-step explanation:
To calculate the distance between C2 and SW1 we will use the formula of distance between two points
and
.
d = 
Coordinates representing positions of C2 and SW1 are (2, 2) and (-6, -7) respectively.
By substituting these coordinates in the formula,
Distance between these points = 
= 
=
units
Therefore, Option (B) will be the correct option.
Answer:To do so, she makes the measurements shown in the figure below.
Step-by-step explanation: