Anh randomly surveyed 36 students to see if there was interested in starting a seventh-grade science club. He found that 4 students said they would be interested. If 180 students are in the seventh grade, how many can be expected to join?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Solve -.016x= -16. need solving this