When the The sun is at a certain angle in the sky and 20 foot flagpole casts a 16 foot shadow how tall is a person if you cast a 4.4 foot shadow at the same time the person is how

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.