1) Find the least five digits number which divides 12, 18, 21 and 28, leaving
remainder.

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

What would the rule be for the reflection of y=-3