A snack bar sells Hot Dogs and Nachos. Sally bought 4 Hot Dogs and 2 nachos for a total of $7.50.Marquita bought 6 hot dogs and 4 nachos for a total of $12.00. Find the price of each item? Show work

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?