What is 22:7 as a fraction in simplest form

A convenience sample of forty people is taken from a population. Which of the following is a reason why you can not make a statistical inference on the population? The sample size is not large enough.

Stacy travels 4 times as fast as Kevin. Traveling in opposite directions, they are 227.5 miles apart after 3.5 hours. Find their rates of travel.

What is 38,000,000,000,000 in scientific notation?

What is 1/4 of 2.88 what is the answer

Round off 0.0015728 to hundered thousandth

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.