Given the following sets, select the correct answer. Given A = {1, 3, 5, 7, 9}, B = {2, 4, 6, 8, 10}, C = {1, 5, 6, 7, 9}

A ∩ B =

1,2 or empty set

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

If a || b and e || f , what if the value of y ?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50