Hugh bought some magazines that cost $3.95 each and some books that cost $8.95 each. he spent a total of $47.65. if hugh bought 3 magazines, how many books did he buy?
the equation that models the problem is 3.95m + 8.95b = 47.65, where m is the number of magazines and b is the number of books

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4