# Question: 1find the value of m such that d1 d2 d3...

###### Question details

1.find the value of m, such that D1, D2, D3 meet each other at
one point.

D1: x-y=1

D2: 2x+y=5

D3: (2m-5)x-my=3

a. 1/5

b.5/2

c. 3/5

d.13/5

2.

two yachts started from the same port at the same time. Yacht A sails at a velocity of 9 miles per hour due west and yacht B sails at a velocity of 6 miles per hour due west. after 40 minutes, how far apart are they from each other

a. 30 mi

b. 28 mi

c. 5.477 mi

d. 5.291 mi