Aplumber charges a visitation fee of $60 and $45 per hour for time worked. if h is the number of hours worked and t is the total charge for completed work, then the variables are related by the equation t = 45h + 60. which variable is the independent variable?

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

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).