-x+6 ??? im not 100% sure
Answer:

Step-by-step explanation:
Cost of one cup of coffee=$2
The original amount of money on the gift card= $30
Juan's expenses in buying coffee, after
morning are
.
The amount of money left,
, on the card
(Original amount)
(Total expenses)

Hence, the equation for,
, the amount of money remaining on the card is

Given:
The slope of the line is m=0.
The line passes through the point P(-9,-3).
To find:
The equation of the line in standard form.
Solution:
Standard form of a line is:

The slope intercept form of the line is

Where, m is the slope and
is the point on the line.
It is given that the slope of the line is 3 and it passes through the point (-9,-3), so the equation of the line is



Therefore, the standard form of the given line is
.
Answer:
there is 21 boys
Step-by-step explanation:
hope that helps
Answer:
After 16 years …mr James age =4X+16 and his son's age will be X+16
As per the question in 16 years his age will be 2 twice
(4X+16)=2(X+16)so by simplifying this we will get 2X=16..and X=16/2=8
Step-by-step explanation: