Find the value of x. I WILL GIVE 100 POINTS ANSWER QUICK!

4friends evenly divided up a n-slice pizza.one of the friends,harris,ate 1 slice than he received. how many slices of pizza did harris eat? as an expression

Find the x coordinate of the point.

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.