How many solutions does this system have? y=-3x
-9x-4y= 21

one solution

two solution

an infinite number

no solution

I need help please

2/3(-6y+9x) expand each expression using the distributive property

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?