Evelyn has a bag containing red (R), blue (B), and green (G) marbles as shown below. 3 red marbles, 3 green marbles, and 2 blue marbles. If each marble is replaced after it is drawn, what is the probability of randomly drawing three consecutive red (R) marbles? StartFraction 3 over 256 EndFraction StartFraction 1 over 56 EndFraction StartFraction 1 over 27 EndFraction StartFraction 27 over 512 EndFraction.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?