The sales tax in Callie's town is 8.5%. Callie bought 3 DVDs for
$24.60 each and 1 book for $15.20
How much did she pay in sales tax?

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

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