Wich ration is not equivalent to 24:30

The diagram below shows scalene triangle WXY. The measure of WXY is 71 degree. Which is true about the diagram?

For a normal distribution, what z-score value separtes the lowest 20% of the distribution from the highest 80%?

Plot 2 1/2 and 1 1/5 on a number line

Lyle bought 3/8 pound of red grapes and 5/12 of green grapes. How many pounds of grapes did he buy?

Let e, f, and g be three events. find expressions for the events so that, of e, f, and g, exactly two of the events occur;

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.