Henry collects sports cards. Henry has 8 baseball cards and 5 basketball cards. A trails is

done by taking one card out of the collection,

replacing it, and then selecting another card.

What is the probability of selecting a baseball

card and then a basketball card?

I’m stuck on this question cuz i’m stupid sksksksk

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian