they paid $4.28 in sales tax. if the sales tax rate is 6.25, what is the total cost of the items before tax?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?