Use photomath that will help with math
Answer:

Step-by-step explanation:
Simplifica la expresión
Not sure how to do it in this form but in slope intercept form for example if the slope was -4/3 the perpendicular would be 3/4 it’s the negative reciprocal of the answer
You find the lcm of both
5 10 15 20 25 30 35
7 14 21 28 35
You were the 35 caller