Please help meee when a particle of mass m kg is placed on a rough plane inclined 30° to the horizontal the particle is on the point of slipping down the plane. The co-efficient of friction between the particle and the plane is μ.
Find μ

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)