Michael hikes 1/4 of a mile every 1/6 of a hour. how far will he hike in 2 hours

i can't see the picture : /

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.

a reflection across the x axis and a 90 degree rotation left and right.