I have only got 2 out of 3 possible marks on this question and I'm not sure how to get the 3rd mark please help.
The graph shows the cost of some taxi journeys. Work out a formula for C in terms of n.

Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !