A certain group of test subjects had pulse rates with a mean of 73.9 beats per minute and a standard deviation of 11.8 beats per minute. Would it be unusual for one of the test subjects to have a pulse rate of 77.5 beats per minute?

The frequency of D3 is 146.83 Hz. What is the frequency of D5, which is two octaves above D3?

What is the factored form of the expression 35xy + 25x? 5 (7xy + 5x) 5x (7y + 5) 25x (10y + 1) 10x (25y + 15)

Will's bowling average after 5 games was 120. In his next 3 games, Will scored 118, 124, and 142. What was Will's bowling average after 8 games

What is 1/2 + 1/4 equal to?

Delilahs relative long jump length was recorded at zero what does that mean

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.