Which side lengths form a right triangle

If all possible random samples of size n are taken from a population, and the mean of each sample is determined, the mean of the sample distribution is: A. exactly the same as the population mean. B. larger than the population mean. C.

If $36.25 in tax is added to the price of an item, what was the original price in dollars of the item? A. $400 B. $500 C. $483.33 D. $600

The number negative eight is to the left of zero on the number line. Which choice expresses this fact in symbols?

Which of the following sequences is not arithmetic? 1, 2, 3, 4, ... 2, 4, 6, 8, ... 0, - 2, - 4, - 6, ... 1, 4, 9, 16, ...

Which of the following has a constant of proportionality of 2? A) y = 2 x B) 2 y = x C) y = x + 2 D) y + 2 = 2 x

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.