Expand and simplify these
(x+6) (x+9)
(x-5) (x+2)
(x-1)(x-7)
(4x+9)(3x+8)
(3x-8)(2x-1)
(x+9) ^2(squared)
(3x+2)^2

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell