Abookstore sells textbooks for $40 each and notebooks for $2 each. the bookstore would like to sell
$440 in merchandise by the end of the week.
graph the linear equation 40t + 2n = 440, where t is the number of textbooks sold, and n is the number
of notebooks sold.

Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.