Answer:
It should be the last one, She made a sign error when multiplying.
Answer:
BC=11.9
Step-by-step explanation:
49=-7k is equivalent to D because when you simplify both of them, you get -7=k
Answer:
Square and cube numbers are special sequences of numbers that are linked to the property of the shape they are named after. A square number relates to the area of a square. A cube number relates to the volume of a cube.
Step-by-step explanation: