How do you add for example 1+1=2?

What is the approximate volume of the cone with a height of 9 cm and a radius of 15 cm.

B. Find the median and mode of the costs in the table. Cost of Backpacks (5) 16.78 22.89 48.75 51.25 31.42 28.54 18.38 26.79

Rectangle 2. triangle 3. cone 4. circle 5. cylinder a. perpendicular cross section of a pyramid b. perpendicular cross section of a cylinder c. parallel cross section of a sphere d. shape created when a rectangle is rotated about the y-axis e.

What is equivalent to log2 (7) A. 7^2 B. 2^7 C. 7log (2) D. log (7) / log (2) E. Log (2) / log (7)

Katie has a bag of 15 marbles. There are 3 green, 4 blue, and 5 red marbles. The rest of the marbles are yellow. If Katie randomly chooses a marble, what is the probability it will be yellow or red?

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.