What is the circumference of this circle? A.
(
1π
⁄
4
)
B.
2π
C.
None of the above
D.
4π
E.
(
1π
⁄
2
)

What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

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