Find the slope of the line passing through the pair of points. (if an answer does not exist, enter dne.) (0, −9), (−2, 0)

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

Pls the last one and it has to be like number 6

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?