PLS HELP Celia filled the glasses Show below completely with water. The total amount of water that Celia poured into the glasses is 80 cm³. What is the height of glass 1? Round your answer to the nearest 10th use 3.14 as pi
2.6 cm
4.8 cm
5.6 cm
7.6 cm
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How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Can someone answer this question for me

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.