I need an answer How are the ingredients in a mixture of Iron fillings and sand affected by being combined?

A. The physical properties of the Iron fillings change but those of the sand do not.

B. Both the Iron fillings and the sand maintain their original physical properties when combined.

C. The physical properties of the sand chance but those of the Iron fillings do not.

D. Neither the Iron fillings nor the sand maintain their original physical properties when combined.​

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

Using the figure below, select the two pairs of alternate interior angles.a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?