Miss Jones took her family and friends to the movies there were a total of 12 people. Children's tickets cost $5 an adult tickets cost $10. She spent a total of $95. How many children went to the movies? (Systems of Equations.)​

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 is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?