One and one half minus two and five six ths

Round to the nearest whole number 16.12 16.1 17 20 16

For the figure shown x=145 and y=60 what is w

A principal wants to survey 100 students about their favorite subject. She asks the first 100 students who walk into the school to fill out a questionnaire. Is this a random sample or a biased sample? Justify your response.

Which table represents a non-proportional situation? x f (x) -1 - 3 0 0 1 3 4 12 x f (x) -2 2 0 4 2 6 3 7 x f (x) -1 - 3 0 0 1 3 2 6 x f (x) -1 2 0 0 1 - 2 2 - 4

Tina has 4 black marbles, 6 red marbles, 3 blue marbles, 7 green marbles, and 5 yellow marbles. She places all of the marbles in a bag and randomly selects one. Find the theoretical probability that Tina will randomly select a yellow marble.

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.