19 is less than 48 by what percentage?

Scientific skills exercise: interpreting a scatter plot with two sets of data which variable is the independent variable--the variable that was controlled by the researchers? Is the independent variable on the x-axis or the y-axis?

1.75 as mixed number

Solve cot x + 2cot x * sin x = 0 for U^ < = x<=180

Expand and simplify 9a + 3 (8-2a)

A cat eats 2/3 cup of food each day. How many days will a bag containing 16 cups of food last?

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.