Explain why 0.4×10=4

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F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2