Arc ab is 1/6 of the circumstance of a circle. what is the radian measure of the central angle?

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.