Can someone please help me with number 6 it’s urgent work it out

Ataxi cab charges $1.75 for the flat fee and $0.25 for each time. write an in equality to determine how many miles eddie can travel if he has $15 to spend.

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.