Answer:
60
Step-by-step explanation:

Answer:
48
Step-by-step explanation:Its because they stated that f(1)= 8 so something times one = 8 which would of course be 8 so now u know that f=8 then u do 8(6) which is 48
20+35+30= 1 hr&25 min so she should leave at 5:20
-3/2
perpendicular slopes are those that are opposite sign and reciprocal of the original given slope