What is f(5) for the function f(x)=7x+4?

F(5)=?

Please help

The amount of energy it takes to lift a box might be a function of which of the following

Acircle has a circumference of 7.850 units. what is its radius?

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years