How many real solutions does the system have?
y= -3x-1
y= x^2 -3x + 4

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?