John is buying fencing for his yard. he pays $122 for 5 fence boards and 4 fence panels. he pays $570 for 21 fence boards and 20 fence panels. how much does one fence board cost? how much does he pay for 3 fence panels?

Solve |2x - 5| = 4 if anyone could , that would be great

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Find the 6th term of the expansion of (2p - 3q)11. a. -7,185,024p4q7 c. -7,185p4q7 b. -7,185,024p6q5 d. -7,185p6q5 select the best answer from the choices provided a b c d