He has 30 gallons left
5/8 = 50/80
80-50=30
Answer: The Answer is B
Step-by-step explanation:
You need to distribute 15x(10x - 4). 15x times 10x is 150x and since there is 2 x's your gonna square it. So then it would be 150x². next 15x times -4 is -60 and add your x. Your answer is 150x² - 60x.
Answer:

Step-by-step explanation:
Recall the formula:

We apply this formula to simplify 
This implies that:



This simplifies to


Answer:
1) not possible 2)f(x)=-2y+2 3)4
Step-by-step explanation:
2x-3=2x-16