Cal has a sports trading card collection with 30 baseball cards, 25 basketball cards, and 45 football cards. what percent of his cards are basketball cards?

We just started the introduction into circles and i have no idea how to do this.

With this question, the answer with the red arrow is incorrect!

12 3 4 5 6 7 8 9 10 time remaining 42: 01 ryan gathered data about the age of the different dogs in his neighborhood and the length of their tails. which best describes the strength of the correlation, and what is true about the causation between the variables?