How do I find the area of a sphere? Ex: The radius of a sphere is 7, Pi = 3.14, what would the volume be?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

If a || b and e || f , what if the value of y ?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points