Find the appropriate minimum sample size. you want to be 99% confident that the sample standard deviation s is within 5% of the population standard deviation

An expression for 12 times x

The length of a rectangle is 3 meters less than 3 times the width. the perimeter is 42 meters. find the width.

Which of the following relations is NOTſa function? * { (1,5), (3, - 1), (7.9) } { (1, 1), (2, 2), (3, 3) } { (1,5), (2,5), (4,5) } { (5,1), (6,-4), (5, 2) }

22/100 in simplest form?

How do you solve 1 1/9

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.