if
f
(
x
)
=
x
6
+
3
x
−
1
f(x)=x
6
+3x−1, then what is the remainder when
f
(
x
)
f(x) is divided by
x
+
1
x+1?

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.

Nine more than four times a number is the same as one less than twice the number. find the number?

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.