12.5 Use the expand, factor, collect, and simplify functions on se1 to se4, and on sq1 to sq4. In your own words, describe how these functions work for the various types of equations and expressions.

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6