Well I'm still trying to solve the first question so I'll tell you the other answers
the answer for the second question is :

and for the third question :
Answer:
m = 0
Step-by-step explanation:
Given
7m + -10 = -10
Positive negative gives negative.
So the expression can be rewritten as
7m - 10 = -10
Add 10 to both sides of the equation
7m - 10 + 10 = -10 + 10
7m = 0
Divide both sides by 7
7m /7 = 0/7
m = 0
Total cost = price per kilogram• how many kilograms were purcest
t= p•k
t= 1.13•k
Answer:
a
Step-by-step explanation:
hope this helps
Answer:
y= 1/3x-3
Step-by-step explanation:
rise /run
-3 is the point you start