An arc of length 12 meters is formed by a central angle a on a circle of a radius 9. the measure of a in degrees (to two decimal places) is

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

What is the inverse of the function f(x) = 2x + 1?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)