The answer would be B, there are no real solutions to the secretion because the Square root of a negative number is not a real number.
Answer:5
Step-by-step explanation:
Answer:
4½ km
Step-by-step explanation:
2 cm= 1 km
1 cm= ½ km
4cm×2km = 8cm
8 cm (4 km) + 1 cm (½ km) = 9 cm
9 cm/ 4 ½ km
The number 21/5 is a rational number because it can be simplified down to 4.2, or 21/5