The relationship between the base rate a plumber charges and his hourly fee is modeled by the linear function f (x) = 25x + 100, where x is the number of hours he works. What is the total bill if the plumber works for 6 hours?

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

What is the value of x when x + 7 = 21?