2211basefour as denary

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle