An item has a listed price of $90 if the sales tax rate is 4% how much is the sales tax

Find the amount of simple interest earned for depositing the given principle in an account if $2200 is invested at 5.5 % for 6 months

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.

(25 ! ) what does it mean for an equation to have no solution or infinitely many solutions?