Answer:
After 6 minutes, the oven temperature will be: 
Step-by-step explanation:
If the increase in temperature is
per minute, then in 6 minutes, the increase in temperature would be
, therefore, since the initial temperature of the oven was
, its temperature after 6 minutes would be:

Answer:
2
Step-by-step explanation:
2 is the constant of proportionality in the equation y = 2x . When two variables are directly proportional to each others . Where k is called the constant of proportionality . Thus in the question x and y are proportional variables
Answer:
9
Step-by-step explanation:
3*3 =9
3t+3/5=6
3t = 6-3/5
3t = 27/5
t=9/5