Find the slope of the line on the graph

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

(03.03 mc) choose the graph below that correctly represents the equation 2x + 4y = 24. (5 points) select one: a. line through the points 0 comma 6 and 12 comma 0 b. line through the points 0 comma negative 6 and 12 comma 0 c. line through the points 0 comma negative 12 and 6 comma 0 d. line through the points 0 comma 12 and 6 comma 0

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)