Autilities company measures gas consumption by 100 cubic feet, ccf. the company has a 3 step rate schedule for gas consumers. first, there is a minimum charge of $5.00 per month for up to 3 ccf of gas used. then, for the next 6 ccf, the charge is $.75 per ccf. finally after 9 ccf, the charge is $.55 per ccf. represent the cost of g ccf of gas, if g is greater than 9.

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

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

Having a hard time understanding this question (see attachment).