. Cho biểu thức . a) Với giá trị nào của x thì biểu thức trên xác định.
b) Tính giá trị của M khi x = -1.
c) Với giá trị nào của x thì M = 2.
d) Tìm x nguyên sao cho M có giá trị nguyên.
e) Tìm x để M < 1.

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5