If events X and Y are independent, what must be true? Check all that apply.
PlYX) = 0
O PIXIY)=0
PCY|X) = P(Y)
PLYIX) = P(X)
PIXIY) = P(Y)
PIXIY) = P(X)

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.