SOMEONE PLEASE ANSWER THESE 1.) why isn’t -8 a irrational number?
2.) why isn’t 4.349 a irrational number?
3.) why isn’t -9.7 a irrational number?
4.) why isn’t 7 a irrational number?
5.) why isn’t 3/7 a irrational number?
6.) why isn’t 0 a irrational number?
7.) why isn’t 18 a irrational number?
8.) why isn’t -8/9 a irrational number?

Will give find an equivalent function to f(x)=5(2)^3x. the 5(2)^3x means 5(2) to the 3x power answer choices: a: f(x)=125^x(8)^x b: f(x)=10^2x c: f(x)=40^x d: f(x)=5(8)^x

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =