The price tag on a shirt says $21.50. the final cost of the shirt, including taxes, is $23.22. the equation 21.50+t equals23.22 can be used to find the amount of sales tax t in dollars. what is the sales tax.

21.50 + t = 23.22
t = 23.22 - 21.50
t = 1.72

sales tax = $1.72

We need the pictures of the graphs

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.