How to find cercumfrance of a circle

What is 1178 divided by what equalls 19

Which value of x is the solution to the equation 4/5x-8=12

True or False: The following pair of ratios are equivalent ratios. 8/9 and 72/81

If the radius of a circle is 3cm wht is the area of the circle

If Sarah reads at an average rate of 21 pages in four nights, how long will it take her to read 140 pages?

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.