Let A = {1, 2, 3, 4, 5}, B = {1, 3, 5, 7, 9, 11} and U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, then
a) A-B =
b) At =
c) (A ∩ B)t =
d) (A ∪ B)t=

Solve the system of equations. y= 2x y= x^2 - 15

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

  cassidy wants to cut the yellow fabric into strips that are 0.3 yards wide. how many strips of yellow fabric can cassidy make? yellow fabric 16 yards for $108.00.