Answer:
Th answer is D
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
The algebraic expression of the phrase " The sum of square of c and d" is equal to adds the square of number c to the number d

The algebraic expression of the phrase " The sum of square of c and d increased by twice their product" is equal to

Check the picture below.
recall that the trajectory of an object flying is, it goes up up up, reaches a maximum height and then down down down, till it hits the ground, when it happens it's not longer above ground, thus height = 0.
Associative property. (a•b)•c=a•(b•c)