Answer:
x=-4
Step-by-step explanation:
2(x+6)=4
2x+12=4
2x=4-12
2x=-8
x=-4
I think it would be A.) but at the same time i think it's wrong
Y=90x+2,000
90 is the rate of change because the hot air balloon descends 90 feet per minute.
And 2,000 is the starting point because the hot air balloon started the descent at 2,000 feet.
9 cups because 2*3=6 so you multiply the other side (3) by 3 so 3*3=9 cups
