In a math​ class, 65​% of the students have visited the ocean and 50​% have visited the mountains on vacation before. If 35​% of the students have visited the ocean and the mountains on vacation​ before, what is the probability that a randomly selected student has visited the ocean or the​ mountains?

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.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

How do i find the missing angle measure in a polygon