I asked a question earlier but dont see an answer

which statement about this sum is true? −245+2.7

choosing tennis and golf balls is your inde choice.

their mass and volume are dep

the components of a vector are the parts of the vectors that are to each other.

b perpendicular

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.