Billy is selling lemonade for $1 per cup. it costs him 50 cents per cup to make the lemonade. he also had to spend an additional $10 for supplies.
- what is a system of equations to represent this situation?
- what does the point of intersection represent in this situation?

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

In which form is the following function written? y = - 2(x – 3)(x + 5)