Answer:C
Step-by-step explanation:
Answer:
y = 3x +21
Step-by-step explanation:
m= 3
The y-intercept of the line that passes through the given point (-7,0) is
0 = -7(3) + b
b= 21
The equation of the line that passes through the given point (-7,0) is
y =mx +b
y = 3x +21
Answer:

Step-by-step explanation:
Let
x-----> the number of shirts
we know that
The equation of the cost is equal to

The equation of the sell is equal to

The equation of the profit is equal to

substitute the values

Answer:
each piece is 5.6 in
Step-by-step explanation:
84/15 = 5.6