John tried to evaluate the expression 30+{15 - 2 x 3). His work is below. 30+ {15 - 2 x 3} Step 1: = 30 + {15 - 6} Step 2 : 30 + 9 Step 3: 39 In which step did John first make a mistake? Choose 1 Step 1 step 2 step 3 or d john did not make a mistake

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !

Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship

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?