How much is four fifths of money?

Are all lateral faces of an oblique prism parallelograms? If an airplane lands with an airspeed of 120 miles per hour into a 20 mile per hour headwind the airplanes ground speed is? How do you make a trapezoid with two triangles? How many 100's make 100000? How do engineers use the design process to solve a problem? What is 99 percent off 95 dollars? Common denominator of half and quarter? How do you wirte 2.26? Who is the 15 preisident? How do you write 318000000 in scientific notation? What are four ways supporting details can support the main idea? What is the name of a type of roof with 2 slopes on each of its 4 sides? Is 5.010010001 continuing in that pattern infinitely rational and how can you convert it to a fraction? What is 54.6 rounded to the nearest ones? What are the possible angles and the third side of a triangle when the side opposite to angle 25 degrees is 30.4 cm and has another side of 34.8 cm? What is the prime factorization of 375 using exponents? Ratio of the length of drawing of the object to the actual length of the object is called? 66.9 inches to feet? How many grames in one poun gold? Which number system is not using zero?