After the interview, Ellen decided to hire two of the applicants and reject the others. Ellen’s assistant called back the applicants to tell them the result. She spent of an hour calling each of the rejected applicants and of an hour calling the hired applicants. How much time did the assistant spend making these calls?

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

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,

answer is 17

this would be 35. 35 + 5 = 40. you take the known constant and subtract by the answer of the equation and you get y.