How to write the ratio.

Juliet is being tested for a contagious disease. The test is 99% accurate and in actuality 0.1% of the population has the disease. Juliet still thinks she has the disease even though she tested negative. Is she worrying too much? Explain.

you're planning a skating party that charges a basic fee of six dollars and six $.50 per person for parties you don't want to spend more than $71 right and solve inequality to find the number of friends you can invite

3/5 of the students in a room are girls. 1/3 of the girls have blonde hair. 1/2 of the boys have brown hair.

3xsquare-9x-30=0 What's the answer

A town has a population of 17000 and grows at 3% every year. What will be the population after 7 years, to the nearest whole number?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.