The sample space, S, for flipping a fair coin three times is shown
below.
S = {HHH, THH, HTH, HHT, TTH, THT, HTT, TTT)
What is the probability of obtaining heads at least once?
1) 3/8. 2) 7/8. 3) 1/8. 4) 1/2

Can someone check my answer? you

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

What line represents the relationship between r and s