What would be the slope of the line that passses through 4, 5 and 7, 6

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?