Please help it's due today

Can you please write examples for the definitions?

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?