Some one plz me:
jamal and his mother traveled 2 5/8 hrs. jamal spent 2/3 of the time in the car sleeping and the rest of the time playing video games. how many hrs did jamal spend playing video games?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Write the expression 7x^3-28xy^2 as the product of 3 factors