Can 18/56 be simplified

Two women were complaining about their teenagers' preoccupation with clean hair. One moaned, "My four boys will use up three bottles of shampoo in two weeks." The other replied, "My five girls will use up four bottles of shampoo in three weeks.

When a new machine is functioning properly, only 4% of the items produced are defective. Assume that we will randomly select two parts produced on the machine and that we are interested in the number of defective parts found.

Johns house is 12 miles away from school he is 2/3 the way there how many miles has he walked

Solve the inequality - 4x>32=

Which decimal number rounds to 0.296? A) 0.29463 B) 0.29547 C) 0.29563 D) 0.29657 E) 0.29659

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.