Answer this question as soon as possible (discrete math question)
1. is ⊆ ⊆ is either a proper subset of the other?
(a) = { ∈ ℝ| cos ∈ ℤ}, = { ∈ ℝ| sin ∈ ℤ}

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

How many 2/5s are in 1 and 1/2 plz someone me right now

A0.40 kg soccer ball is kicked so that its incoming velocity of 5 m/s is changed to an outgoing velocity of -25 m/s. what impulse does the player apply to the ball?