The mass of a grain of sand is about 10^-3 gram. about how many grains of sand are in a 10kg bag of sand?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.

2x + 3y = 17 5x + 6y = 32 usibg method if elimination