Answer:
The cost of the old ball was $100.
Step-by-step explanation:
The cost of the new ball = $300
The new ball has three times the price of his old ball.
So, let the price of the old ball be = x
As per situation, we get the equation:

Dividing both sides by 3:

=> x = 100
Hence, the cost of the old ball was $100.
13/52. There are 13 red hearts in a deck of 52 cards.
The slope of this function is -2
Answer:
the y intercept
Step-by-step explanation:
the k in algebra is the y intercept :))