Which value for x makes the open sentence true?

5 + 4 • x = 3^2 + x^2

a.
4

b.
2

c.
3

d.
5

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