A city has a 5% sales tax. What is the constant of proportionality of the items before tax and the cost of items after tax?

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

What are the sotions to the quadratic equation 9x^2=4

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars