Answer:
4
Step-by-step explanation:
He should add 4 black blocks because there are a total of 4 other blocks, and in order to have a probability of 50%, the number of black blocks needs to be equal to the total number of the other colored blocks.
Just fill in x with -7 so the problem is y=1.3•(-7)+23.
Answer:
Step-by-step explanation:
I told is 8
Answer:
The answers are options d and e