Anews report states that a new hydroelectric generating station in quebec will produce 140 terajoules of power per year (tj/a) and that this power, for 20 years of operation, is equivalent to 2.0 million barrels of oil. using these figures, how many gigajoules is each barrel of oil equivalent to?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Part a what is the area of triangle i? show your calculation. part b triangles i and ii are congruent (of the same size and shape). what is the total area of triangles i and ii? show your calculation. part c what is the area of rectangle i? show your calculation. part d what is the area of rectangle ii? show your calculation. part e rectangles i and iii have the same size and shape. what is the total area of rectangles i and iii? show your calculation. part f what is the total area of all the rectangles? show your calculation. part g what areas do you need to know to find the surface area of the prism? part h what is the surface area of the prism? show your calculation. part i read this statement: “if you multiply the area of one rectangle in the figure by 3, you’ll get the total area of the rectangles.” is this statement true or false? why? part j read this statement: “if you multiply the area of one triangle in the figure by 2, you’ll get the total area of the triangles.” is this statement true or false? why?