Two florist purchased flower bouquets and vases at the same store. the first florist bought 2 flower bouquets and 2 vases for a total of $12.50. the second florist bought 8 flower bouquets and 2 vases for a total of $29.00. let b represent the cost of one flower bouquet and v represent the cost of one vase. write and solve a system of equations to find the price of each type of arrangement. show all work

Which property is illustrated by the statement given below? raj raj.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave