Find the lower quartile (first quartile) value of the data set below. 2, 2, 4, 6, 6, 6, 8, 8, 9

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.