What is the simplest radical form of 20

Find the slope of the line y =8/9x + 1.

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?