Two of the points that define a certain quadrilateral are (-3,0) and (7,2). the quadrilateral has rotational symmetry of 180 degrees about the point (-1, -2).
draw and classify the quadrilateral described above.

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Select all of the following expressions that are equal to 2.5.