How do i do this problem 20/1*1/2

Find the factorization of each of the following number: A. 18 B. 24 C. 38 D. 81

58 plus what equals 90

A coin has heads on one side and tails on the other. The coin is tossed 50 times and lands heads up 19 times. How does this frequency compare to the expected frequency based on the probability of the coin landing with heads up?

2+2 is 4 4+4 is 8 What is 8+8

The base of a rectangular prism is 9 centimeters long and 8.4 centimeters wide. It is 11.4 centimeters tall. What is the volume of the prism? Select the best answer from the choices provided. 680.4 cm3 861.84 cm3 923.4 cm3 804.34 cm3

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.