An object that has a mass of 80 kilograms on Earth would have a mass of only 32 kilograms on Mars. If an object has a mass of 4 kilograms on Mars, what would be the mass of the object on Earth?

What is the slope of a line that is perpendicular to y = 3x + 1

What is the value of x in the diagram below?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.