Which statement must be true to prove j || k? a. m∠2 + m∠5 = 180

b.∠6 ≅ ∠4

c.∠2 ≅ ∠3

d.∠1 ≅ ∠4

On a trip, you had to change your money from dollars to british pounds.  you got  560  pounds for  800  dollars.  which is a unit rate that describes the exchange

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Find the area of a parallelogram with base 15 yards and height 21 2/3