Answer:
y = -2x + 4
Step-by-step explanation:
y = mx + b
(4,-4)
b = y - mx = -4 - (-2)*4 = 4
y = -2x + 4
Step-by-step explanation:
0.032% is the answer.......
Answer:
15x + 25 = y
Step-by-step explanation:
$25 is a fixed cost and will have to be paid if the plumber comes and $15 times the number of hours it takes to do the repair is the variable cost. 'x' in this case is the number of hours. So the equation will be 15x + 25 = y
Solution will be anything greater than 21