Find the size of each of the unknown angles. Help me plz. The answer is a=b=60 degree and c=120 degree. Give me solution plz​

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.

Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)