use the equation to answer the question 3/5(20a-35b)=ka-21b what is the value of k that makes the equation true ? need this answered ASAP ​

Hi my sisters and brothers can tell me the answer because i don’t understand the question

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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.