You decide to play a game of chance. you toss 4 coins and if you toss all heads you win $9. if you toss anything other than 4 heads you lose $1

a. what is the expected value of the game?

should you play the game? why or why not?

In the 30-60-90 triangle below side s has a length of and side r has a length

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days