Museum A charges an entrance fee of $8.00 and $2.25 per souvenir map. Museum B charges an entrance fee of $6.00 and $2.75 per souvenir map. How many souvenir maps must be purchased in order for the total cost at Museum A and Museum B to be the same?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

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?

Factor and solve to find roots x squared -x - 90 =0