Samuel’s father is four years older than double Samuel’s age. their age difference is 22 years. how old are they

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Indicate the formula for the following conditions: p^c(n,r)=

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?