The head of a nail is circular, as shown. The head of this nail has a diameter of 10 millimeters. Which measurement is closest to the area of the head of this nail in square millimeters? 15.7 mm2 314 mm2 78.5 mm2 62.8 mm2

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never