Is a integer a rational number

If the approximate measure of an interior angle of a regular polygon is 128.6°, what type of polygon is it?

How do i show my work for 17/25

Imani is selling T-shirts for a student council fund-raiser. She spent $100 on 25 T-shirts. She plans to sell the T-shirts for $12 each. The function of her revenues can be modeled by r (x) = 12x - 100. What are the domain and range of the function?

How can u express (15+30) as a multiple

A house worth $154 comma 376 is assessed for three fourths of its value. What is the assessed value of the house?

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.