What is 63.247 in standard form

What are the slope and the y-intercept of the linear function that is represented by the equation Y=9X-2? The slope is - 2, and the y-intercept is 9. The slope is 2, and they y-intercept is 9. The slope is 9, and the y-intercept is - 2.

The radio of circle X is three times the radius of circle Y. the sum of their areas is 40, then what is the radius of circle X Answers 6 10 12 14 16

When 1.5 and a number n are multiplied, the result is 13.65.

What is 1/2 of 26 because I know that there are 26 letters in the alphabet, so I know that half would be 13 and I am asking just because I want to check my answer.

On a long hike, Heather drank 7 pints of water. How much did she drink in quarts? Write your answer as a whole number or a mixed number in simplest form.

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.