I write down a number lager than 1 and less than 10. Find the chance that the number is a factor of 12. ​

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?