Answer:
Step-by-step explanation:
Here, x² + 13x = -3
Here, as x² + 13x would remain same, you have to add or subtract equivalent number from both sides,
x² + 13x + 3 = 0
Answer:

Step-by-step explanation:
For this I would find two friendly points like (60,10) and (70,30). Now we will plug in for the slope-intercept formula
.
So...

Now we plug in and solve...

So the slope will be 2.
The retail price is $50 because 25% of 40 is 10 and 10+40=50.
Add the 2 1/2 to the other side to get rid of to isolate the x
-27/4= 1/2x divide by 1/2
-27/2=x
Answer:
3 and 1/2
Step-by-step explanation:
because if one can holds 10 liters of gas, three cans would hold 30 because 10 times 3 is 30 plus the extra 5 liters in the remaining can