Question

What is the distance between the points (18,39) and (3,39) in the xy-plane

A.36 units
B.15 units
C.21 units
D.7.5 units​

Answer 1

B.15 units

Explanation:

`d = \sqrt{ {(18 - 3)}^(2) + {(39 - 39)}^(2) } \\ \\ d = \sqrt{ {(15)}^(2) + {(0)}^(2) } \\ \\ d = \sqrt{ {(15)}^(2) } \\ \\ d = 15\:units`

Answer 2

B. 15 units

Explanation:

they said I needed to add more writing before submitting an answer but yeah, I think the answer is B. good luck