Unit rate of 156 for 3 books

The regular price of a sweater was $21.50. The sweater was on sale for 18% off. How much was the discount? $3.87?! am i correct?

Akin and ayo shared the sum of 200 in the ratio of 5:1 find the amount ago received

Write - 12.405-12.405 as a mixed number in simplest form.

Hasil dari cos 10+cos 110 + cos 130 adalah

Suppose a jar contains 13 red marbles and 33 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.

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.