Write a proportion to find how many points x a student needs to score on a test worth 50 points to get a test score of 78%

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.