Can someone help me find the answer for 3 and 5! I’m trying to find the interquartile range for each

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2

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?