Which expression is equal to 354−−√−424−−√ ? 6√ −6√ −116√ 116√?

What is the slope of the line shown below?

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

Suppose you have 10 skittles. 5 green and 5 red. you choose 4 without looking. what is the probability that all 4 skittles will be green?