Rachelle randomly surveys seventh graders in her school and finds that 7 of 25 play a school sport. If there are 175 7th graders in the school, about how many are expected to play a school sport? Write and solve a proportion.

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?