Sandra has 5 toy cars .each toy car has a mass of 8 grams .what is the total mass of all 5 cars?

How do i do this activity, is appreciated

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose